Subtract 60/63 from 20/18
1st number: 1 2/18, 2nd number: 60/63
20/18 - 60/63 is 10/63.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 63 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 18 × 7 = 126,
20/18 = 20 × 7/18 × 7 = 140/126 - Likewise, for the 2nd fraction, since 63 × 2 = 126,
60/63 = 60 × 2/63 × 2 = 120/126 - Subtract the two like fractions:
140/126 - 120/126 = 140 - 120/126 = 20/126 - After reducing the fraction, the answer is 10/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/18-60/63 20/36-60/63 60/18-60/63 20/54-60/63 20/90-60/63