Subtract 75/56 from 18/5
1st number: 3 3/5, 2nd number: 1 19/56
18/5 - 75/56 is 633/280.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 56 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 5 × 56 = 280,
18/5 = 18 × 56/5 × 56 = 1008/280 - Likewise, for the 2nd fraction, since 56 × 5 = 280,
75/56 = 75 × 5/56 × 5 = 375/280 - Subtract the two like fractions:
1008/280 - 375/280 = 1008 - 375/280 = 633/280 - In mixed form: 273/280
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/5-75/56 18/10-75/56 54/5-75/56 18/15-75/56 90/5-75/56 18/25-75/56 18/35-75/56