Subtract 27/14 from 20/63
1st number: 20/63, 2nd number: 1 13/14
20/63 - 27/14 is -29/18.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 14 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 63 × 2 = 126,
20/63 = 20 × 2/63 × 2 = 40/126 - Likewise, for the 2nd fraction, since 14 × 9 = 126,
27/14 = 27 × 9/14 × 9 = 243/126 - Subtract the two like fractions:
40/126 - 243/126 = 40 - 243/126 = -203/126 - After reducing the fraction, the answer is -29/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/63-27/14 20/63-54/14 20/63-27/28 60/63-27/14 20/63-81/14 20/63-27/42 20/63-27/70 20/63-27/98