Subtract 63/7 from 28/3
1st number: 9 1/3, 2nd number: 9 0/7
28/3 - 63/7 is 1/3.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 7 is 21
Next, find the equivalent fraction of both fractional numbers with denominator 21 - For the 1st fraction, since 3 × 7 = 21,
28/3 = 28 × 7/3 × 7 = 196/21 - Likewise, for the 2nd fraction, since 7 × 3 = 21,
63/7 = 63 × 3/7 × 3 = 189/21 - Subtract the two like fractions:
196/21 - 189/21 = 196 - 189/21 = 7/21 - After reducing the fraction, the answer is 1/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/3-63/7 28/6-63/7 28/3-63/14 84/3-63/7 28/9-63/7 28/3-63/21 28/15-63/7 28/3-63/35 28/21-63/7 28/3-63/49