Subtract 3/63 from 15/2
1st number: 7 1/2, 2nd number: 3/63
15/2 - 3/63 is 313/42.
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,
3/63 = 3 × 2/63 × 2 = 6/126 - Subtract the two like fractions:
945/126 - 6/126 = 945 - 6/126 = 939/126 - After reducing the fraction, the answer is 313/42
- In mixed form: 719/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/2-3/63 15/2-6/63 15/4-3/63 45/2-3/63 15/2-9/63 15/6-3/63 75/2-3/63 15/2-15/63 15/10-3/63 15/2-21/63 15/14-3/63