Subtract 48/98 from 21/8
1st number: 2 5/8, 2nd number: 48/98
21/8 - 48/98 is 837/392.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 98 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 98 × 4 = 392,
48/98 = 48 × 4/98 × 4 = 192/392 - Subtract the two like fractions:
1029/392 - 192/392 = 1029 - 192/392 = 837/392 - In mixed form: 253/392
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/8-48/98 21/8-96/98 21/16-48/98 63/8-48/98 21/24-48/98 21/40-48/98 21/56-48/98