Subtract 21/16 from 35/12
1st number: 2 11/12, 2nd number: 1 5/16
35/12 - 21/16 is 77/48.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 16 is 48
Next, find the equivalent fraction of both fractional numbers with denominator 48 - For the 1st fraction, since 12 × 4 = 48,
35/12 = 35 × 4/12 × 4 = 140/48 - Likewise, for the 2nd fraction, since 16 × 3 = 48,
21/16 = 21 × 3/16 × 3 = 63/48 - Subtract the two like fractions:
140/48 - 63/48 = 140 - 63/48 = 77/48 - In mixed form: 129/48
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/12-21/16 35/12-42/16 35/24-21/16 35/12-21/32 35/12-63/16 35/36-21/16 35/12-21/48 35/60-21/16 35/12-21/80 35/84-21/16