Subtract 60/49 from 3/21
1st number: 3/21, 2nd number: 1 11/49
3/21 - 60/49 is -53/49.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 49 is 147
Next, find the equivalent fraction of both fractional numbers with denominator 147 - For the 1st fraction, since 21 × 7 = 147,
3/21 = 3 × 7/21 × 7 = 21/147 - Likewise, for the 2nd fraction, since 49 × 3 = 147,
60/49 = 60 × 3/49 × 3 = 180/147 - Subtract the two like fractions:
21/147 - 180/147 = 21 - 180/147 = -159/147 - After reducing the fraction, the answer is -53/49
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/21-60/49 3/42-60/49 3/21-60/98 9/21-60/49 3/63-60/49 15/21-60/49