Subtract 56/8 from 70/50
1st number: 1 20/50, 2nd number: 7 0/8
70/50 - 56/8 is -28/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 8 is 200
Next, find the equivalent fraction of both fractional numbers with denominator 200 - For the 1st fraction, since 50 × 4 = 200,
70/50 = 70 × 4/50 × 4 = 280/200 - Likewise, for the 2nd fraction, since 8 × 25 = 200,
56/8 = 56 × 25/8 × 25 = 1400/200 - Subtract the two like fractions:
280/200 - 1400/200 = 280 - 1400/200 = -1120/200 - After reducing the fraction, the answer is -28/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/50-56/16 70/50-56/24 70/50-56/40