Subtract 10/5 from 40/56
1st number: 40/56, 2nd number: 2 0/5
40/56 - 10/5 is -9/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 5 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 56 × 5 = 280,
40/56 = 40 × 5/56 × 5 = 200/280 - Likewise, for the 2nd fraction, since 5 × 56 = 280,
10/5 = 10 × 56/5 × 56 = 560/280 - Subtract the two like fractions:
200/280 - 560/280 = 200 - 560/280 = -360/280 - After reducing the fraction, the answer is -9/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/56-10/5 40/56-20/5 40/56-30/5 40/56-10/15 40/56-50/5 40/56-10/25 40/56-70/5 40/56-10/35