Subtract 4/16 from 35/21
1st number: 1 14/21, 2nd number: 4/16
35/21 - 4/16 is 17/12.
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,
35/21 = 35 × 16/21 × 16 = 560/336 - Likewise, for the 2nd fraction, since 16 × 21 = 336,
4/16 = 4 × 21/16 × 21 = 84/336 - Subtract the two like fractions:
560/336 - 84/336 = 560 - 84/336 = 476/336 - After reducing the fraction, the answer is 17/12
- In mixed form: 15/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/21-4/16 35/21-8/16 35/42-4/16 35/21-4/32 35/21-12/16 35/63-4/16 35/21-4/48 35/21-20/16 35/21-4/80 35/21-28/16