Subtract 3/16 from 36/21
1st number: 1 15/21, 2nd number: 3/16
36/21 - 3/16 is 171/112.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 16 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 21 × 16 = 336,
36/21 = 36 × 16/21 × 16 = 576/336 - Likewise, for the 2nd fraction, since 16 × 21 = 336,
3/16 = 3 × 21/16 × 21 = 63/336 - Subtract the two like fractions:
576/336 - 63/336 = 576 - 63/336 = 513/336 - After reducing the fraction, the answer is 171/112
- In mixed form: 159/112
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/21-3/16 36/21-6/16 36/42-3/16 36/21-3/32 36/21-9/16 36/63-3/16 36/21-3/48 36/21-15/16 36/21-3/80 36/21-21/16