Multiplying FractionsStraight across — and the surprise that the answer gets smaller.5th GradeMultiply the numerators together, and thedenominators together. No common denominatorneeded.a/b × c/d = ac/bd2/3 × 4/58/15Tops times tops, bottoms times bottoms.1/2 × 1/21/4Half of a half. Multiplying by a fraction under 1 shrinks it.3/4 × 86Write 8 as 8/1 first.2/3 of 128'Of' means multiply. 2/3 × 12/1 = 24/3 = 8.THE COMMON MISTAKEmultiplying makes it biggermultiplying by a fraction under 1 makes it smallerHalf of something is less than the something. Only multiplying by more than 1grows a number.Cancel before you multiply where you can — it keeps the numberssmall.Multiplying Fractionslearnposters.com
Multiplying Fractions — printable math wall chart from LearnPosters. Free vector PDF, US Letter and A4.

What’s on the Multiplying Fractions poster

The rule, 4 worked examples, and the mistake everyone makes.

Cancel before you multiply where you can — it keeps the numbers small.

Questions about the Multiplying Fractions poster

What’s on the Multiplying Fractions poster?
The rule, 4 worked examples, and the mistake everyone makes. Multiply the numerators together, and the denominators together. No common denominato…; a/b × c/d = ac/bd; 2/3 × 4/5 = 8/15; 1/2 × 1/2 = 1/4; 3/4 × 8 = 6; 2/3 of 12 = 8; Common mistake: multiplying makes it bigger → multiplying by a fraction under 1 makes…. Cancel before you multiply where you can — it keeps the numbers small.
Who is the Multiplying Fractions poster for?
Multiplying Fractions is filed under 5th Grade (ages 10–11), so it matches what that year asks a child to remember. It is equally useful to an older student revisiting math, and to the parent or teacher answering the question at the kitchen table.
When should you use the Multiplying Fractions poster?
Point at the rule they need instead of reteaching the whole topic. A wall chart earns its place by being glanceable from where the work is happening, so Multiplying Fractions belongs on the wall where that math work actually happens, within glancing distance, rather than filed away.
What other posters go with Multiplying Fractions?
Adding Unlike Fractions, Comparing Fractions and Dividing Fractions sit alongside Multiplying Fractions in the 5th Grade set. Printed together they make a wall rather than a single sheet, which is how a reference set actually gets used.Adding Unlike FractionsComparing FractionsDividing Fractions
Is the Multiplying Fractions poster free to download and print?
Yes. Multiplying Fractions downloads as a free PDF with no account, no email and no watermark, like everything else in the 5th Grade set. Print as many copies as you like for a home, a classroom, a library or a tutoring group; reselling the file is the only thing the licence rules out.Read the licence
What size does the Multiplying Fractions poster print at?
Multiplying Fractions is a vector PDF laid out for US Letter, and prints on A4 with Fit to page — the same file, no separate download. Because every mark on it is drawn rather than photographed, it stays sharp enlarged to A3, A2 or A1 at a copy shop. Colour carries emphasis only, so a greyscale print of Multiplying Fractions loses nothing.Printing guide

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