Subtract 27/56 from 28/50
28/50 - 27/56 is 109/1400.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 56 is 1400
Next, find the equivalent fraction of both fractional numbers with denominator 1400 - For the 1st fraction, since 50 × 28 = 1400,
28/50 = 28 × 28/50 × 28 = 784/1400 - Likewise, for the 2nd fraction, since 56 × 25 = 1400,
27/56 = 27 × 25/56 × 25 = 675/1400 - Subtract the two like fractions:
784/1400 - 675/1400 = 784 - 675/1400 = 109/1400
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/50-27/56 28/50-54/56 84/50-27/56 28/50-81/56