Subtract 4/18 from 70/63
1st number: 1 7/63, 2nd number: 4/18
70/63 - 4/18 is 8/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 18 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 63 × 2 = 126,
70/63 = 70 × 2/63 × 2 = 140/126 - Likewise, for the 2nd fraction, since 18 × 7 = 126,
4/18 = 4 × 7/18 × 7 = 28/126 - Subtract the two like fractions:
140/126 - 28/126 = 140 - 28/126 = 112/126 - 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: 70/63-8/18 70/63-4/36 70/63-12/18 70/63-4/54 70/63-20/18 70/63-4/90 70/63-28/18