Subtract 9/8 from 21/96
1st number: 21/96, 2nd number: 1 1/8
21/96 - 9/8 is -29/32.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 96 and 8 is 96
Next, find the equivalent fraction of both fractional numbers with denominator 96 - For the 1st fraction, since 96 × 1 = 96,
21/96 = 21 × 1/96 × 1 = 21/96 - Likewise, for the 2nd fraction, since 8 × 12 = 96,
9/8 = 9 × 12/8 × 12 = 108/96 - Subtract the two like fractions:
21/96 - 108/96 = 21 - 108/96 = -87/96 - After reducing the fraction, the answer is -29/32
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/96-9/8 21/96-18/8 21/96-9/16 63/96-9/8 21/96-27/8 21/96-9/24 21/96-45/8 21/96-9/40 21/96-63/8 21/96-9/56