Subtract 4/28 from 40/8
1st number: 5 0/8, 2nd number: 4/28
40/8 - 4/28 is 34/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 28 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 8 × 7 = 56,
40/8 = 40 × 7/8 × 7 = 280/56 - Likewise, for the 2nd fraction, since 28 × 2 = 56,
4/28 = 4 × 2/28 × 2 = 8/56 - Subtract the two like fractions:
280/56 - 8/56 = 280 - 8/56 = 272/56 - After reducing the fraction, the answer is 34/7
- In mixed form: 46/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/8-4/28 40/8-8/28 40/16-4/28 40/8-4/56 40/8-12/28 40/24-4/28 40/8-4/84 40/8-20/28 40/56-4/28