Subtract 3/7 from 70/63
1st number: 1 7/63, 2nd number: 3/7
70/63 - 3/7 is 43/63.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 7 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 63 × 1 = 63,
70/63 = 70 × 1/63 × 1 = 70/63 - Likewise, for the 2nd fraction, since 7 × 9 = 63,
3/7 = 3 × 9/7 × 9 = 27/63 - Subtract the two like fractions:
70/63 - 27/63 = 70 - 27/63 = 43/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/63-6/7 70/63-3/14 70/63-9/7 70/63-3/21 70/63-15/7 70/63-3/35 70/63-21/7 70/63-3/49