Subtract 70/63 from 10/5
1st number: 2 0/5, 2nd number: 1 7/63
10/5 - 70/63 is 8/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 63 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 5 × 63 = 315,
10/5 = 10 × 63/5 × 63 = 630/315 - Likewise, for the 2nd fraction, since 63 × 5 = 315,
70/63 = 70 × 5/63 × 5 = 350/315 - Subtract the two like fractions:
630/315 - 350/315 = 630 - 350/315 = 280/315 - After reducing the fraction, the answer is 8/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/5-70/63 30/5-70/63 10/15-70/63 50/5-70/63 10/25-70/63 70/5-70/63 10/35-70/63