Subtract 20/14 from 9/63
1st number: 9/63, 2nd number: 1 6/14
9/63 - 20/14 is -9/7.
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,
9/63 = 9 × 2/63 × 2 = 18/126 - Likewise, for the 2nd fraction, since 14 × 9 = 126,
20/14 = 20 × 9/14 × 9 = 180/126 - Subtract the two like fractions:
18/126 - 180/126 = 18 - 180/126 = -162/126 - After reducing the fraction, the answer is -9/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/63-20/14 9/63-40/14 9/63-20/28 27/63-20/14 9/63-60/14 9/63-20/42 45/63-20/14 9/63-20/70 9/63-20/98