Subtract 12/7 from 16/28
1st number: 16/28, 2nd number: 1 5/7
16/28 - 12/7 is -8/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 7 is 28
Next, find the equivalent fraction of both fractional numbers with denominator 28 - For the 1st fraction, since 28 × 1 = 28,
16/28 = 16 × 1/28 × 1 = 16/28 - Likewise, for the 2nd fraction, since 7 × 4 = 28,
12/7 = 12 × 4/7 × 4 = 48/28 - Subtract the two like fractions:
16/28 - 48/28 = 16 - 48/28 = -32/28 - After reducing the fraction, the answer is -8/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/28-12/7 16/28-24/7 16/56-12/7 16/28-12/14 48/28-12/7 16/28-36/7 16/84-12/7 16/28-12/21 80/28-12/7 16/28-60/7 16/28-12/35 16/28-84/7 16/28-12/49