Subtract 14/96 from 42/21
1st number: 2 0/21, 2nd number: 14/96
42/21 - 14/96 is 89/48.
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,
42/21 = 42 × 32/21 × 32 = 1344/672 - Likewise, for the 2nd fraction, since 96 × 7 = 672,
14/96 = 14 × 7/96 × 7 = 98/672 - Subtract the two like fractions:
1344/672 - 98/672 = 1344 - 98/672 = 1246/672 - After reducing the fraction, the answer is 89/48
- In mixed form: 141/48
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/21-14/96 42/21-28/96 42/21-42/96 42/63-14/96 42/21-70/96 42/21-98/96