Subtract 10/63 from 7/18
7/18 - 10/63 is 29/126.
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,
7/18 = 7 × 7/18 × 7 = 49/126 - Likewise, for the 2nd fraction, since 63 × 2 = 126,
10/63 = 10 × 2/63 × 2 = 20/126 - Subtract the two like fractions:
49/126 - 20/126 = 49 - 20/126 = 29/126
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/18-10/63 7/18-20/63 7/36-10/63 21/18-10/63 7/18-30/63 7/54-10/63 35/18-10/63 7/18-50/63 7/90-10/63 49/18-10/63 7/18-70/63