Subtract 50/7 from 27/28
1st number: 27/28, 2nd number: 7 1/7
27/28 - 50/7 is -173/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 7 is 28
Next, find the equivalent fraction of both fractional numbers with denominator 28 - For the 1st fraction, since 28 × 1 = 28,
27/28 = 27 × 1/28 × 1 = 27/28 - Likewise, for the 2nd fraction, since 7 × 4 = 28,
50/7 = 50 × 4/7 × 4 = 200/28 - Subtract the two like fractions:
27/28 - 200/28 = 27 - 200/28 = -173/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/28-50/7 27/56-50/7 27/28-50/14 81/28-50/7 27/84-50/7 27/28-50/21 27/28-50/35 27/28-50/49