Subtract 63/60 from 25/21
1st number: 1 4/21, 2nd number: 1 3/60
25/21 - 63/60 is 59/420.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 60 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 21 × 20 = 420,
25/21 = 25 × 20/21 × 20 = 500/420 - Likewise, for the 2nd fraction, since 60 × 7 = 420,
63/60 = 63 × 7/60 × 7 = 441/420 - Subtract the two like fractions:
500/420 - 441/420 = 500 - 441/420 = 59/420
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/21-63/60 25/42-63/60 75/21-63/60 25/63-63/60