Subtract 56/45 from 10/40
1st number: 10/40, 2nd number: 1 11/45
10/40 - 56/45 is -179/180.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 45 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 40 × 9 = 360,
10/40 = 10 × 9/40 × 9 = 90/360 - Likewise, for the 2nd fraction, since 45 × 8 = 360,
56/45 = 56 × 8/45 × 8 = 448/360 - Subtract the two like fractions:
90/360 - 448/360 = 90 - 448/360 = -358/360 - After reducing the fraction, the answer is -179/180
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/40-56/45 10/80-56/45 10/40-56/90 30/40-56/45 50/40-56/45 70/40-56/45