Subtract 10/20 from 7/50
7/50 - 10/20 is -9/25.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 20 is 100
Next, find the equivalent fraction of both fractional numbers with denominator 100 - For the 1st fraction, since 50 × 2 = 100,
7/50 = 7 × 2/50 × 2 = 14/100 - Likewise, for the 2nd fraction, since 20 × 5 = 100,
10/20 = 10 × 5/20 × 5 = 50/100 - Subtract the two like fractions:
14/100 - 50/100 = 14 - 50/100 = -36/100 - After reducing the fraction, the answer is -9/25
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/50-10/20 7/50-10/40 21/50-10/20 7/50-30/20 7/50-10/60 35/50-10/20 7/50-50/20 49/50-10/20 7/50-70/20