Subtract 50/20 from 7/8
1st number: 7/8, 2nd number: 2 10/20
7/8 - 50/20 is -13/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 20 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 8 × 5 = 40,
7/8 = 7 × 5/8 × 5 = 35/40 - Likewise, for the 2nd fraction, since 20 × 2 = 40,
50/20 = 50 × 2/20 × 2 = 100/40 - Subtract the two like fractions:
35/40 - 100/40 = 35 - 100/40 = -65/40 - After reducing the fraction, the answer is -13/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/8-50/20 7/16-50/20 7/8-50/40 21/8-50/20 7/24-50/20 7/8-50/60 35/8-50/20 7/40-50/20 49/8-50/20 7/56-50/20