Subtract 8/28 from 40/4
1st number: 10 0/4, 2nd number: 8/28
40/4 - 8/28 is 68/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 28 is 28
Next, find the equivalent fraction of both fractional numbers with denominator 28 - For the 1st fraction, since 4 × 7 = 28,
40/4 = 40 × 7/4 × 7 = 280/28 - Likewise, for the 2nd fraction, since 28 × 1 = 28,
8/28 = 8 × 1/28 × 1 = 8/28 - Subtract the two like fractions:
280/28 - 8/28 = 280 - 8/28 = 272/28 - After reducing the fraction, the answer is 68/7
- In mixed form: 95/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/4-8/28 40/4-16/28 40/8-8/28 40/4-8/56 40/4-24/28 40/12-8/28 40/4-8/84 40/4-40/28 40/20-8/28 40/4-56/28 40/28-8/28