Subtract 18/36 from 5/63
5/63 - 18/36 is -53/126.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 36 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 63 × 4 = 252,
5/63 = 5 × 4/63 × 4 = 20/252 - Likewise, for the 2nd fraction, since 36 × 7 = 252,
18/36 = 18 × 7/36 × 7 = 126/252 - Subtract the two like fractions:
20/252 - 126/252 = 20 - 126/252 = -106/252 - After reducing the fraction, the answer is -53/126
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/63-18/36 5/63-18/72 15/63-18/36 5/63-54/36 25/63-18/36 5/63-90/36 35/63-18/36