Subtract 27/63 from 56/42
1st number: 1 14/42, 2nd number: 27/63
56/42 - 27/63 is 19/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 63 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 42 × 3 = 126,
56/42 = 56 × 3/42 × 3 = 168/126 - Likewise, for the 2nd fraction, since 63 × 2 = 126,
27/63 = 27 × 2/63 × 2 = 54/126 - Subtract the two like fractions:
168/126 - 54/126 = 168 - 54/126 = 114/126 - After reducing the fraction, the answer is 19/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/42-54/63 56/84-27/63 56/42-81/63