Question

- 3 / 7 / 9 / 14 / minus 5 / 2​

Answer 1

Divide LCM by the numerator of each fraction

For fraction: 9/14 is 14 ÷ 14 = 1;

For fraction: - 3/7 is 14 ÷ 7 = (2 × 7) ÷ 7 = 2;

9/14 - 3/7 =

(1 × 9)/(1 × 14) - (2 × 3)/(2 × 7) =

9/14 - 6/14 =

(9 - 6)/14 =

3/14