Subtract 36/49 from 27/56
27/56 - 36/49 is -99/392.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 49 is 392
Next, find the equivalent fraction of both fractional numbers with denominator 392 - For the 1st fraction, since 56 × 7 = 392,
27/56 = 27 × 7/56 × 7 = 189/392 - Likewise, for the 2nd fraction, since 49 × 8 = 392,
36/49 = 36 × 8/49 × 8 = 288/392 - Subtract the two like fractions:
189/392 - 288/392 = 189 - 288/392 = -99/392
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/56-36/49 27/56-72/49 27/56-36/98 81/56-36/49