Subtract 40/15 from 25/56
1st number: 25/56, 2nd number: 2 10/15
25/56 - 40/15 is -373/168.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 15 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 56 × 15 = 840,
25/56 = 25 × 15/56 × 15 = 375/840 - Likewise, for the 2nd fraction, since 15 × 56 = 840,
40/15 = 40 × 56/15 × 56 = 2240/840 - Subtract the two like fractions:
375/840 - 2240/840 = 375 - 2240/840 = -1865/840 - After reducing the fraction, the answer is -373/168
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/56-40/15 25/56-80/15 25/56-40/30 75/56-40/15 25/56-40/45 25/56-40/75