Subtract 28/7 from 8/28
1st number: 8/28, 2nd number: 4 0/7
8/28 - 28/7 is -26/7.
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,
8/28 = 8 × 1/28 × 1 = 8/28 - Likewise, for the 2nd fraction, since 7 × 4 = 28,
28/7 = 28 × 4/7 × 4 = 112/28 - Subtract the two like fractions:
8/28 - 112/28 = 8 - 112/28 = -104/28 - After reducing the fraction, the answer is -26/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/28-28/7 8/28-56/7 8/56-28/7 8/28-28/14 24/28-28/7 8/28-84/7 8/84-28/7 8/28-28/21 40/28-28/7 8/28-28/35 56/28-28/7 8/28-28/49