Subtract 49/12 from 28/56
1st number: 28/56, 2nd number: 4 1/12
28/56 - 49/12 is -43/12.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 12 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 56 × 3 = 168,
28/56 = 28 × 3/56 × 3 = 84/168 - Likewise, for the 2nd fraction, since 12 × 14 = 168,
49/12 = 49 × 14/12 × 14 = 686/168 - Subtract the two like fractions:
84/168 - 686/168 = 84 - 686/168 = -602/168 - After reducing the fraction, the answer is -43/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/56-98/12 28/56-49/24 84/56-49/12 28/56-49/36 28/56-49/60 28/56-49/84