Subtract 48/63 from 5/18
5/18 - 48/63 is -61/126.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 63 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 18 × 7 = 126,
5/18 = 5 × 7/18 × 7 = 35/126 - Likewise, for the 2nd fraction, since 63 × 2 = 126,
48/63 = 48 × 2/63 × 2 = 96/126 - Subtract the two like fractions:
35/126 - 96/126 = 35 - 96/126 = -61/126
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/18-48/63 5/18-96/63 5/36-48/63 15/18-48/63 5/54-48/63 25/18-48/63 5/90-48/63 35/18-48/63