Subtract 10/25 from 48/21, Solve 2 6/21

Subtract 10/25 from 48/21

1^st number: 2 6/21, 2^nd number: 10/25

48/21 - 10/25 is 66/35.

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,
48/21 = 48 × 25/21 × 25 = 1200/525
Likewise, for the 2nd fraction, since 25 × 21 = 525,
10/25 = 10 × 21/25 × 21 = 210/525
Subtract the two like fractions:
1200/525 - 210/525 = 1200 - 210/525 = 990/525
After reducing the fraction, the answer is 66/35
In mixed form: 131/35

MathStep (Works offline)

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