Subtract 28/7 from 35/28
1st number: 1 7/28, 2nd number: 4 0/7
35/28 - 28/7 is -11/4.
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,
35/28 = 35 × 1/28 × 1 = 35/28 - Likewise, for the 2nd fraction, since 7 × 4 = 28,
28/7 = 28 × 4/7 × 4 = 112/28 - Subtract the two like fractions:
35/28 - 112/28 = 35 - 112/28 = -77/28 - After reducing the fraction, the answer is -11/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/28-28/7 35/28-56/7 35/56-28/7 35/28-28/14 35/28-84/7 35/84-28/7 35/28-28/21 35/28-28/35 35/28-28/49