Subtract 15/50 from 70/63
1st number: 1 7/63, 2nd number: 15/50
70/63 - 15/50 is 73/90.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 50 is 3150
Next, find the equivalent fraction of both fractional numbers with denominator 3150 - For the 1st fraction, since 63 × 50 = 3150,
70/63 = 70 × 50/63 × 50 = 3500/3150 - Likewise, for the 2nd fraction, since 50 × 63 = 3150,
15/50 = 15 × 63/50 × 63 = 945/3150 - Subtract the two like fractions:
3500/3150 - 945/3150 = 3500 - 945/3150 = 2555/3150 - After reducing the fraction, the answer is 73/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/63-30/50 70/63-45/50 70/63-75/50