Subtract 48/60 from 6/21
6/21 - 48/60 is -18/35.
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,
6/21 = 6 × 20/21 × 20 = 120/420 - Likewise, for the 2nd fraction, since 60 × 7 = 420,
48/60 = 48 × 7/60 × 7 = 336/420 - Subtract the two like fractions:
120/420 - 336/420 = 120 - 336/420 = -216/420 - After reducing the fraction, the answer is -18/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/21-48/60 6/21-96/60 6/42-48/60 18/21-48/60 6/63-48/60 30/21-48/60 42/21-48/60