Question

1)simplify 9/10 - 3/5 +7/8​

Answer 1

Answer:

We need to make the denominators same using LCM.

LCM of 10, 5 and 8 is 40.

Make each dominator 40.

9/10 x 4/4 = 36/40

3/5 x 8/8 = 24/40

7/8 x 5/5 = 35/40

36/40 - 24/40 + 35/40

= 47/40