Subtract 12/16 from 1/28
1/28 - 12/16 is -5/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 16 is 112
Next, find the equivalent fraction of both fractional numbers with denominator 112 - For the 1st fraction, since 28 × 4 = 112,
1/28 = 1 × 4/28 × 4 = 4/112 - Likewise, for the 2nd fraction, since 16 × 7 = 112,
12/16 = 12 × 7/16 × 7 = 84/112 - Subtract the two like fractions:
4/112 - 84/112 = 4 - 84/112 = -80/112 - After reducing the fraction, the answer is -5/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/28-12/16 1/28-24/16 1/56-12/16 1/28-12/32 3/28-12/16 1/28-36/16 1/84-12/16 1/28-12/48 5/28-12/16 1/28-60/16 1/28-12/80 7/28-12/16 1/28-84/16