Cancelling fractions to their lowest terms A fraction

Cancelling fractions to their lowest terms A fraction is said to be expressed in its lowest terms if the numerator and the denominator have no common factors. Which of these fractions are expressed in their lowest terms? 14 16 7 8 20 27 3 13 15 21 5 7 14 35 2 5 32 15 Fractions which are not shown in their lowest terms can be simplified by cancelling.

Equivalent fractions spider diagram

Use Common Factors to Simplify Fractions Explain how you would use the common factors of 24 24 and 30 to express 30 in its simplest form. The common factors of 24 and 30 are 1, 2, 3 and 6. Take the highest factor which is 6. Divide 24 and 30 by 6. 24 30 = 4 5 is the simplest form. . Show Hide Answers

Simplify these fractions into the simplest form, write the highest common factor with your answer: 7 14 12 (2) 7 21 (3) 1030 24 324 (8) 864 525 (5) 840 436 (9) 981 416 (4) 728 3 36 11 132 (12) Write some for a partner. Show Hide Answers

Common Denominators Using your own example explain how to use common multiples to express 2 fractions with different denominators with the same denominator. Take 2 fractions: 41 and 25. Find the common multiples of the denominators 4 and 5; 20, 40, 60 … Take the lowest common multiple, 20. Express the fractions with the denominator 20 by multiplying the numerator and denominator of each fraction by the same number, so the denominator becomes 20. × 5 1 4 × 4 5 20 × 5 2 5 8 20 × 4 Compare your explanation with a partner. Can you improve yours? Show Hide Answers

4. 5. 20 WALT: simplify fractions Go to: https: //whiterosemaths. com/homelearning/year-6/ Summer Term - Week 3 (w/c 4 th May) Lesson 1 - Simplify fractions Watch the video and complete the activities and/or copy and complete the following exercises into your books.