Subtract 98/96 from 15/21
1st number: 15/21, 2nd number: 1 2/96
15/21 - 98/96 is -103/336.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 96 is 672
Next, find the equivalent fraction of both fractional numbers with denominator 672 - For the 1st fraction, since 21 × 32 = 672,
15/21 = 15 × 32/21 × 32 = 480/672 - Likewise, for the 2nd fraction, since 96 × 7 = 672,
98/96 = 98 × 7/96 × 7 = 686/672 - Subtract the two like fractions:
480/672 - 686/672 = 480 - 686/672 = -206/672 - After reducing the fraction, the answer is -103/336
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/21-98/96 15/42-98/96 45/21-98/96 15/63-98/96 75/21-98/96