Subtract 8/63 from 42/6
1st number: 7 0/6, 2nd number: 8/63
42/6 - 8/63 is 433/63.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 63 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 6 × 21 = 126,
42/6 = 42 × 21/6 × 21 = 882/126 - Likewise, for the 2nd fraction, since 63 × 2 = 126,
8/63 = 8 × 2/63 × 2 = 16/126 - Subtract the two like fractions:
882/126 - 16/126 = 882 - 16/126 = 866/126 - After reducing the fraction, the answer is 433/63
- In mixed form: 655/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/6-8/63 42/6-16/63 42/12-8/63 42/6-24/63 42/18-8/63 42/6-40/63 42/30-8/63 42/6-56/63