Subtract 35/18 from 35/25, Solve 1 10/25

Subtract 35/18 from 35/25

1^st number: 1 10/25, 2^nd number: 1 17/18

35/25 - 35/18 is -49/90.

Find the least common denominator or LCM of the two denominators:
LCM of 25 and 18 is 450

Next, find the equivalent fraction of both fractional numbers with denominator 450
For the 1st fraction, since 25 × 18 = 450,
35/25 = 35 × 18/25 × 18 = 630/450
Likewise, for the 2nd fraction, since 18 × 25 = 450,
35/18 = 35 × 25/18 × 25 = 875/450
Subtract the two like fractions:
630/450 - 875/450 = 630 - 875/450 = -245/450
After reducing the fraction, the answer is -49/90

MathStep (Works offline)

Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad