Subtract 63/7 from 70/28
1st number: 2 14/28, 2nd number: 9 0/7
70/28 - 63/7 is -13/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 7 is 28
Next, find the equivalent fraction of both fractional numbers with denominator 28 - For the 1st fraction, since 28 × 1 = 28,
70/28 = 70 × 1/28 × 1 = 70/28 - Likewise, for the 2nd fraction, since 7 × 4 = 28,
63/7 = 63 × 4/7 × 4 = 252/28 - Subtract the two like fractions:
70/28 - 252/28 = 70 - 252/28 = -182/28 - After reducing the fraction, the answer is -13/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/56-63/7 70/28-63/14 70/84-63/7 70/28-63/21 70/28-63/35 70/28-63/49