Subtract 4/63 from 15/18
15/18 - 4/63 is 97/126.
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,
15/18 = 15 × 7/18 × 7 = 105/126 - Likewise, for the 2nd fraction, since 63 × 2 = 126,
4/63 = 4 × 2/63 × 2 = 8/126 - Subtract the two like fractions:
105/126 - 8/126 = 105 - 8/126 = 97/126
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/18-4/63 15/18-8/63 15/36-4/63 45/18-4/63 15/18-12/63 15/54-4/63 75/18-4/63 15/18-20/63 15/90-4/63 15/18-28/63