Subtract 56/50 from 7/80
1st number: 7/80, 2nd number: 1 6/50
7/80 - 56/50 is -413/400.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 50 is 400
Next, find the equivalent fraction of both fractional numbers with denominator 400 - For the 1st fraction, since 80 × 5 = 400,
7/80 = 7 × 5/80 × 5 = 35/400 - Likewise, for the 2nd fraction, since 50 × 8 = 400,
56/50 = 56 × 8/50 × 8 = 448/400 - Subtract the two like fractions:
35/400 - 448/400 = 35 - 448/400 = -413/400
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/80-56/50 21/80-56/50 35/80-56/50 49/80-56/50