Subtract 42/63 from 5/6
5/6 - 42/63 is 1/6.
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,
5/6 = 5 × 21/6 × 21 = 105/126 - Likewise, for the 2nd fraction, since 63 × 2 = 126,
42/63 = 42 × 2/63 × 2 = 84/126 - Subtract the two like fractions:
105/126 - 84/126 = 105 - 84/126 = 21/126 - After reducing the fraction, the answer is 1/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/6-42/63 5/6-84/63 5/12-42/63 15/6-42/63 5/18-42/63 25/6-42/63 5/30-42/63 35/6-42/63 5/42-42/63