Subtract 21/24 from 7/16
7/16 - 21/24 is -7/16.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 24 is 48
Next, find the equivalent fraction of both fractional numbers with denominator 48 - For the 1st fraction, since 16 × 3 = 48,
7/16 = 7 × 3/16 × 3 = 21/48 - Likewise, for the 2nd fraction, since 24 × 2 = 48,
21/24 = 21 × 2/24 × 2 = 42/48 - Subtract the two like fractions:
21/48 - 42/48 = 21 - 42/48 = -21/48 - After reducing the fraction, the answer is -7/16
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/16-21/24 7/16-42/24 7/32-21/24 7/16-21/48 21/16-21/24 7/16-63/24 7/48-21/24 7/16-21/72 35/16-21/24 7/80-21/24 49/16-21/24