Subtract 7/12 from 9/56
9/56 - 7/12 is -71/168.
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,
9/56 = 9 × 3/56 × 3 = 27/168 - Likewise, for the 2nd fraction, since 12 × 14 = 168,
7/12 = 7 × 14/12 × 14 = 98/168 - Subtract the two like fractions:
27/168 - 98/168 = 27 - 98/168 = -71/168
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/56-7/12 9/56-14/12 9/56-7/24 27/56-7/12 9/56-21/12 9/56-7/36 45/56-7/12 9/56-35/12 9/56-7/60 63/56-7/12 9/56-49/12 9/56-7/84