Subtract 7/18 from 35/56
35/56 - 7/18 is 17/72.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 18 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 56 × 9 = 504,
35/56 = 35 × 9/56 × 9 = 315/504 - Likewise, for the 2nd fraction, since 18 × 28 = 504,
7/18 = 7 × 28/18 × 28 = 196/504 - Subtract the two like fractions:
315/504 - 196/504 = 315 - 196/504 = 119/504 - After reducing the fraction, the answer is 17/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/56-7/18 35/56-14/18 35/56-7/36 35/56-21/18 35/56-7/54 35/56-35/18 35/56-7/90 35/56-49/18