Subtract 4/25 from 35/21, Solve 1 14/21

Subtract 4/25 from 35/21

1^st number: 1 14/21, 2^nd number: 4/25

35/21 - 4/25 is 113/75.

Find the least common denominator or LCM of the two denominators:
LCM of 21 and 25 is 525

Next, find the equivalent fraction of both fractional numbers with denominator 525
For the 1st fraction, since 21 × 25 = 525,
35/21 = 35 × 25/21 × 25 = 875/525
Likewise, for the 2nd fraction, since 25 × 21 = 525,
4/25 = 4 × 21/25 × 21 = 84/525
Subtract the two like fractions:
875/525 - 84/525 = 875 - 84/525 = 791/525
After reducing the fraction, the answer is 113/75
In mixed form: 138/75

MathStep (Works offline)

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