Subtract 4/63 from 18/56
18/56 - 4/63 is 65/252.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 63 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 56 × 9 = 504,
18/56 = 18 × 9/56 × 9 = 162/504 - Likewise, for the 2nd fraction, since 63 × 8 = 504,
4/63 = 4 × 8/63 × 8 = 32/504 - Subtract the two like fractions:
162/504 - 32/504 = 162 - 32/504 = 130/504 - After reducing the fraction, the answer is 65/252
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/56-4/63 18/56-8/63 54/56-4/63 18/56-12/63 90/56-4/63 18/56-20/63 18/56-28/63