Subtract 35/50 from 7/28
7/28 - 35/50 is -9/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 50 is 700
Next, find the equivalent fraction of both fractional numbers with denominator 700 - For the 1st fraction, since 28 × 25 = 700,
7/28 = 7 × 25/28 × 25 = 175/700 - Likewise, for the 2nd fraction, since 50 × 14 = 700,
35/50 = 35 × 14/50 × 14 = 490/700 - Subtract the two like fractions:
175/700 - 490/700 = 175 - 490/700 = -315/700 - After reducing the fraction, the answer is -9/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/28-35/50 7/28-70/50 7/56-35/50 21/28-35/50 7/84-35/50 35/28-35/50 49/28-35/50