Subtract 21/48 from 21/16
1st number: 1 5/16, 2nd number: 21/48
21/16 - 21/48 is 7/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 48 is 48
Next, find the equivalent fraction of both fractional numbers with denominator 48 - For the 1st fraction, since 16 × 3 = 48,
21/16 = 21 × 3/16 × 3 = 63/48 - Likewise, for the 2nd fraction, since 48 × 1 = 48,
21/48 = 21 × 1/48 × 1 = 21/48 - Subtract the two like fractions:
63/48 - 21/48 = 63 - 21/48 = 42/48 - After reducing the fraction, the answer is 7/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/16-21/48 21/16-42/48 21/32-21/48 21/16-21/96 63/16-21/48 21/16-63/48 21/48-21/48 21/80-21/48