Math Drills

Multiplying 3 Fractions

C-3

Word Problems (Amount per Unit)

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What this worksheet covers

Grade: Grade 6 (Elementary School)
Topic: Multiplication of Fractions
Worksheet: Multiplying 3 Fractions

The center is calculation multiplying three fractions in a row, with word problems in three shapes laid on top: a question applying a percentage twice over, a question multiplying a whole number by two fractions so that the answer comes out whole, and a question using parentheses to gather a sum or a difference into one expression.

In the question gathering into one expression with parentheses, the parentheses get dropped, the first two are multiplied, and the rest is added or subtracted afterward. A paper that went correctly always keeps a stage where what stood inside the parentheses was gathered into a single fraction.

The procedure of producing a product while simplifying is complete here. That procedure works as the part after a division has been rewritten as a multiplication, in Fraction ÷ Whole Number and Whole Number ÷ Fraction.

3 Terms, Per-Unit Quantity (Sum and Difference)5 questions

Questions & answers

Problems and answers on this worksheet

These are the problems in “Multiplication of Fractions”, shown with their answers.

(1)There is some milk where 1L weighs 5/8kg. At first there was 1/2L, but 1/4L was used. What is the weight of the rest in how many kg? Answer □
Answer: 5/32kg
(2)There is some milk where 1L weighs 1/3kg. At first there was 8/5L, but 1/2L was used. What is the weight of the rest in how many kg? Answer □
Answer: 11/30kg
(3)There is some milk where 1L weighs 5/6kg. At first there was 7/4L, but 1/2L was used. What is the weight of the rest in how many kg? Answer □
Answer: 25/24kg
(4)There is 1/4kg of flour per 1L. We used 1/3L yesterday and 2/3L today. What is the total weight of what we used, in how many kg? Answer □
Answer: 1/4kg
(5)There is 3/4kg of rice per 1L. We used 1/3L yesterday and 1/3L today. What is the total weight of what we used, in how many kg? Answer □
Answer: 1/2kg