Subtract 18/50 from 56/70
56/70 - 18/50 is 11/25.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 50 is 350
Next, find the equivalent fraction of both fractional numbers with denominator 350 - For the 1st fraction, since 70 × 5 = 350,
56/70 = 56 × 5/70 × 5 = 280/350 - Likewise, for the 2nd fraction, since 50 × 7 = 350,
18/50 = 18 × 7/50 × 7 = 126/350 - Subtract the two like fractions:
280/350 - 126/350 = 280 - 126/350 = 154/350 - After reducing the fraction, the answer is 11/25
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/70-36/50 56/70-54/50 56/70-90/50