Subtract 40/63 from 28/14
1st number: 2 0/14, 2nd number: 40/63
28/14 - 40/63 is 86/63.
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,
28/14 = 28 × 9/14 × 9 = 252/126 - Likewise, for the 2nd fraction, since 63 × 2 = 126,
40/63 = 40 × 2/63 × 2 = 80/126 - Subtract the two like fractions:
252/126 - 80/126 = 252 - 80/126 = 172/126 - After reducing the fraction, the answer is 86/63
- In mixed form: 123/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/14-40/63 28/14-80/63 84/14-40/63 28/42-40/63 28/70-40/63 28/98-40/63