Subtract 9/96 from 21/28
21/28 - 9/96 is 21/32.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 96 is 672
Next, find the equivalent fraction of both fractional numbers with denominator 672 - For the 1st fraction, since 28 × 24 = 672,
21/28 = 21 × 24/28 × 24 = 504/672 - Likewise, for the 2nd fraction, since 96 × 7 = 672,
9/96 = 9 × 7/96 × 7 = 63/672 - Subtract the two like fractions:
504/672 - 63/672 = 504 - 63/672 = 441/672 - After reducing the fraction, the answer is 21/32
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/28-9/96 21/28-18/96 21/56-9/96 63/28-9/96 21/28-27/96 21/84-9/96 21/28-45/96 21/28-63/96