Subtract 56/98 from 20/15
1st number: 1 5/15, 2nd number: 56/98
20/15 - 56/98 is 16/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 98 is 1470
Next, find the equivalent fraction of both fractional numbers with denominator 1470 - For the 1st fraction, since 15 × 98 = 1470,
20/15 = 20 × 98/15 × 98 = 1960/1470 - Likewise, for the 2nd fraction, since 98 × 15 = 1470,
56/98 = 56 × 15/98 × 15 = 840/1470 - Subtract the two like fractions:
1960/1470 - 840/1470 = 1960 - 840/1470 = 1120/1470 - After reducing the fraction, the answer is 16/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/15-56/98 20/30-56/98 60/15-56/98 20/45-56/98 20/75-56/98