Subtract 70/7 from 49/28
1st number: 1 21/28, 2nd number: 10 0/7
49/28 - 70/7 is -33/4.
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,
49/28 = 49 × 1/28 × 1 = 49/28 - Likewise, for the 2nd fraction, since 7 × 4 = 28,
70/7 = 70 × 4/7 × 4 = 280/28 - Subtract the two like fractions:
49/28 - 280/28 = 49 - 280/28 = -231/28 - After reducing the fraction, the answer is -33/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/28-70/7 49/56-70/7 49/28-70/14 49/84-70/7 49/28-70/21 49/28-70/35 49/28-70/49