Subtract 2/42 from 70/63
1st number: 1 7/63, 2nd number: 2/42
70/63 - 2/42 is 67/63.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 42 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 42 × 3 = 126,
2/42 = 2 × 3/42 × 3 = 6/126 - Subtract the two like fractions:
140/126 - 6/126 = 140 - 6/126 = 134/126 - After reducing the fraction, the answer is 67/63
- In mixed form: 14/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/63-4/42 70/63-2/84 70/63-6/42 70/63-10/42 70/63-14/42