Subtract 15/8 from 9/56
1st number: 9/56, 2nd number: 1 7/8
9/56 - 15/8 is -12/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 8 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 56 × 1 = 56,
9/56 = 9 × 1/56 × 1 = 9/56 - Likewise, for the 2nd fraction, since 8 × 7 = 56,
15/8 = 15 × 7/8 × 7 = 105/56 - Subtract the two like fractions:
9/56 - 105/56 = 9 - 105/56 = -96/56 - After reducing the fraction, the answer is -12/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/56-15/8 9/56-30/8 9/56-15/16 27/56-15/8 9/56-45/8 9/56-15/24 45/56-15/8 9/56-75/8 9/56-15/40 63/56-15/8 9/56-15/56