Subtract 1/16 from 21/14
1st number: 1 7/14, 2nd number: 1/16
21/14 - 1/16 is 23/16.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 16 is 112
Next, find the equivalent fraction of both fractional numbers with denominator 112 - For the 1st fraction, since 14 × 8 = 112,
21/14 = 21 × 8/14 × 8 = 168/112 - Likewise, for the 2nd fraction, since 16 × 7 = 112,
1/16 = 1 × 7/16 × 7 = 7/112 - Subtract the two like fractions:
168/112 - 7/112 = 168 - 7/112 = 161/112 - After reducing the fraction, the answer is 23/16
- In mixed form: 17/16
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/14-1/16 21/14-2/16 21/28-1/16 21/14-1/32 63/14-1/16 21/14-3/16 21/42-1/16 21/14-1/48 21/14-5/16 21/70-1/16 21/14-1/80 21/14-7/16 21/98-1/16