Subtract 6/49 from 21/8
1st number: 2 5/8, 2nd number: 6/49
21/8 - 6/49 is 981/392.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 49 is 392
Next, find the equivalent fraction of both fractional numbers with denominator 392 - For the 1st fraction, since 8 × 49 = 392,
21/8 = 21 × 49/8 × 49 = 1029/392 - Likewise, for the 2nd fraction, since 49 × 8 = 392,
6/49 = 6 × 8/49 × 8 = 48/392 - Subtract the two like fractions:
1029/392 - 48/392 = 1029 - 48/392 = 981/392 - In mixed form: 2197/392
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/8-6/49 21/8-12/49 21/16-6/49 21/8-6/98 63/8-6/49 21/8-18/49 21/24-6/49 21/8-30/49 21/40-6/49 21/8-42/49 21/56-6/49