Ex 2.1, 1 - Chapter 2 Class 7 Fractions and Decimals - Part 3

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Transcript

Question 1 Solve: (iii) 3/5 + 2/7 3/5 + 2/7 = (3 × 7 + 2 × 5)/(5 × 7) = (21 + 10)/(5 × 7) = 𝟑𝟏/𝟑𝟓 Question 1 Solve: (iv) 9/11 − 4/15 9/11 − 4/15 = (9 × 15 − 4 × 11)/(11 × 15) = (135 − 44)/165 = 𝟗𝟏/𝟏𝟔𝟓

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