Subtract 12/6 from 20/63
1st number: 20/63, 2nd number: 2 0/6
20/63 - 12/6 is -106/63.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 6 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 6 × 21 = 126,
12/6 = 12 × 21/6 × 21 = 252/126 - Subtract the two like fractions:
40/126 - 252/126 = 40 - 252/126 = -212/126 - After reducing the fraction, the answer is -106/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/63-12/6 20/63-24/6 60/63-12/6 20/63-36/6 20/63-12/18 20/63-60/6 20/63-12/30 20/63-84/6 20/63-12/42