Subtract 7/63 from 20/14
1st number: 1 6/14, 2nd number: 7/63
20/14 - 7/63 is 83/63.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 63 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 14 × 9 = 126,
20/14 = 20 × 9/14 × 9 = 180/126 - Likewise, for the 2nd fraction, since 63 × 2 = 126,
7/63 = 7 × 2/63 × 2 = 14/126 - Subtract the two like fractions:
180/126 - 14/126 = 180 - 14/126 = 166/126 - After reducing the fraction, the answer is 83/63
- In mixed form: 120/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/14-7/63 20/14-14/63 20/28-7/63 60/14-7/63 20/14-21/63 20/42-7/63 20/14-35/63 20/70-7/63 20/14-49/63 20/98-7/63