Subtract 28/63 from 14/7
1st number: 2 0/7, 2nd number: 28/63
14/7 - 28/63 is 14/9.
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,
28/63 = 28 × 1/63 × 1 = 28/63 - Subtract the two like fractions:
126/63 - 28/63 = 126 - 28/63 = 98/63 - After reducing the fraction, the answer is 14/9
- In mixed form: 15/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/7-28/63 14/7-56/63 42/7-28/63 14/7-84/63 14/21-28/63 70/7-28/63 14/35-28/63 98/7-28/63 14/49-28/63