Subtract 8/63 from 15/2
1st number: 7 1/2, 2nd number: 8/63
15/2 - 8/63 is 929/126.
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,
15/2 = 15 × 63/2 × 63 = 945/126 - Likewise, for the 2nd fraction, since 63 × 2 = 126,
8/63 = 8 × 2/63 × 2 = 16/126 - Subtract the two like fractions:
945/126 - 16/126 = 945 - 16/126 = 929/126 - In mixed form: 747/126
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/2-8/63 15/2-16/63 15/4-8/63 45/2-8/63 15/2-24/63 15/6-8/63 75/2-8/63 15/2-40/63 15/10-8/63 15/2-56/63 15/14-8/63