Subtract 24/21 from 54/25, Solve 2 4/25

Subtract 24/21 from 54/25

1^st number: 2 4/25, 2^nd number: 1 3/21

54/25 - 24/21 is 178/175.

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

Next, find the equivalent fraction of both fractional numbers with denominator 525
For the 1st fraction, since 25 × 21 = 525,
54/25 = 54 × 21/25 × 21 = 1134/525
Likewise, for the 2nd fraction, since 21 × 25 = 525,
24/21 = 24 × 25/21 × 25 = 600/525
Subtract the two like fractions:
1134/525 - 600/525 = 1134 - 600/525 = 534/525
After reducing the fraction, the answer is 178/175
In mixed form: 13/175

MathStep (Works offline)

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