Subtract 20/25 from 27/56
27/56 - 20/25 is -89/280.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 25 is 1400
Next, find the equivalent fraction of both fractional numbers with denominator 1400 - For the 1st fraction, since 56 × 25 = 1400,
27/56 = 27 × 25/56 × 25 = 675/1400 - Likewise, for the 2nd fraction, since 25 × 56 = 1400,
20/25 = 20 × 56/25 × 56 = 1120/1400 - Subtract the two like fractions:
675/1400 - 1120/1400 = 675 - 1120/1400 = -445/1400 - After reducing the fraction, the answer is -89/280
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/56-20/25 27/56-40/25 27/56-20/50 81/56-20/25 27/56-60/25 27/56-20/75