Subtract 40/63 from 14/7
1st number: 2 0/7, 2nd number: 40/63
14/7 - 40/63 is 86/63.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 63 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 7 × 9 = 63,
14/7 = 14 × 9/7 × 9 = 126/63 - Likewise, for the 2nd fraction, since 63 × 1 = 63,
40/63 = 40 × 1/63 × 1 = 40/63 - Subtract the two like fractions:
126/63 - 40/63 = 126 - 40/63 = 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: 28/7-40/63 14/7-80/63 42/7-40/63 14/21-40/63 70/7-40/63 14/35-40/63 98/7-40/63 14/49-40/63