Subtract 21/6 from 15/16
1st number: 15/16, 2nd number: 3 3/6
15/16 - 21/6 is -41/16.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 6 is 48
Next, find the equivalent fraction of both fractional numbers with denominator 48 - For the 1st fraction, since 16 × 3 = 48,
15/16 = 15 × 3/16 × 3 = 45/48 - Likewise, for the 2nd fraction, since 6 × 8 = 48,
21/6 = 21 × 8/6 × 8 = 168/48 - Subtract the two like fractions:
45/48 - 168/48 = 45 - 168/48 = -123/48 - After reducing the fraction, the answer is -41/16
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/16-21/6 15/16-42/6 15/32-21/6 15/16-21/12 45/16-21/6 15/16-63/6 15/48-21/6 15/16-21/18 75/16-21/6 15/80-21/6 15/16-21/30 15/16-21/42