Subtract 32/98 from 21/10
1st number: 2 1/10, 2nd number: 32/98
21/10 - 32/98 is 869/490.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 98 is 490
Next, find the equivalent fraction of both fractional numbers with denominator 490 - For the 1st fraction, since 10 × 49 = 490,
21/10 = 21 × 49/10 × 49 = 1029/490 - Likewise, for the 2nd fraction, since 98 × 5 = 490,
32/98 = 32 × 5/98 × 5 = 160/490 - Subtract the two like fractions:
1029/490 - 160/490 = 1029 - 160/490 = 869/490 - In mixed form: 1379/490
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/10-32/98 21/10-64/98 21/20-32/98 63/10-32/98 21/10-96/98 21/30-32/98 21/50-32/98 21/70-32/98