Subtract 10/40 from 9/56
9/56 - 10/40 is -5/56.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 40 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 56 × 5 = 280,
9/56 = 9 × 5/56 × 5 = 45/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
10/40 = 10 × 7/40 × 7 = 70/280 - Subtract the two like fractions:
45/280 - 70/280 = 45 - 70/280 = -25/280 - After reducing the fraction, the answer is -5/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/56-10/40 9/56-20/40 9/56-10/80 27/56-10/40 9/56-30/40 45/56-10/40 9/56-50/40 63/56-10/40 9/56-70/40