Subtract 1/7 from 8/4
1st number: 2 0/4, 2nd number: 1/7
8/4 - 1/7 is 13/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 7 is 28
Next, find the equivalent fraction of both fractional numbers with denominator 28 - For the 1st fraction, since 4 × 7 = 28,
8/4 = 8 × 7/4 × 7 = 56/28 - Likewise, for the 2nd fraction, since 7 × 4 = 28,
1/7 = 1 × 4/7 × 4 = 4/28 - Subtract the two like fractions:
56/28 - 4/28 = 56 - 4/28 = 52/28 - After reducing the fraction, the answer is 13/7
- In mixed form: 16/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/4-1/7 8/4-2/7 8/4-1/14 24/4-1/7 8/4-3/7 8/12-1/7 8/4-1/21 40/4-1/7 8/4-5/7 8/20-1/7 8/4-1/35 56/4-1/7 8/28-1/7 8/4-1/49