Subtract 15/63 from 70/14
1st number: 5 0/14, 2nd number: 15/63
70/14 - 15/63 is 100/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 63 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 14 × 9 = 126,
70/14 = 70 × 9/14 × 9 = 630/126 - Likewise, for the 2nd fraction, since 63 × 2 = 126,
15/63 = 15 × 2/63 × 2 = 30/126 - Subtract the two like fractions:
630/126 - 30/126 = 630 - 30/126 = 600/126 - After reducing the fraction, the answer is 100/21
- In mixed form: 416/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/14-30/63 70/28-15/63 70/14-45/63 70/42-15/63 70/14-75/63 70/98-15/63