Subtract 10/63 from 21/2
1st number: 10 1/2, 2nd number: 10/63
21/2 - 10/63 is 1303/126.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 63 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 2 × 63 = 126,
21/2 = 21 × 63/2 × 63 = 1323/126 - Likewise, for the 2nd fraction, since 63 × 2 = 126,
10/63 = 10 × 2/63 × 2 = 20/126 - Subtract the two like fractions:
1323/126 - 20/126 = 1323 - 20/126 = 1303/126 - In mixed form: 1043/126
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/2-10/63 21/2-20/63 21/4-10/63 63/2-10/63 21/2-30/63 21/6-10/63 21/2-50/63 21/10-10/63 21/2-70/63 21/14-10/63