Subtract 96/42 from 21/14
1st number: 1 7/14, 2nd number: 2 12/42
21/14 - 96/42 is -11/14.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 42 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 14 × 3 = 42,
21/14 = 21 × 3/14 × 3 = 63/42 - Likewise, for the 2nd fraction, since 42 × 1 = 42,
96/42 = 96 × 1/42 × 1 = 96/42 - Subtract the two like fractions:
63/42 - 96/42 = 63 - 96/42 = -33/42 - After reducing the fraction, the answer is -11/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/14-96/42 21/28-96/42 21/14-96/84 63/14-96/42 21/42-96/42 21/70-96/42 21/98-96/42