Subtract 3/60 from 21/14
1st number: 1 7/14, 2nd number: 3/60
21/14 - 3/60 is 29/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 60 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 14 × 30 = 420,
21/14 = 21 × 30/14 × 30 = 630/420 - Likewise, for the 2nd fraction, since 60 × 7 = 420,
3/60 = 3 × 7/60 × 7 = 21/420 - Subtract the two like fractions:
630/420 - 21/420 = 630 - 21/420 = 609/420 - After reducing the fraction, the answer is 29/20
- In mixed form: 19/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/14-3/60 21/14-6/60 21/28-3/60 63/14-3/60 21/14-9/60 21/42-3/60 21/14-15/60 21/70-3/60 21/14-21/60 21/98-3/60