Subtract 4/7 from 28/6
1st number: 4 4/6, 2nd number: 4/7
28/6 - 4/7 is 86/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 7 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 6 × 7 = 42,
28/6 = 28 × 7/6 × 7 = 196/42 - Likewise, for the 2nd fraction, since 7 × 6 = 42,
4/7 = 4 × 6/7 × 6 = 24/42 - Subtract the two like fractions:
196/42 - 24/42 = 196 - 24/42 = 172/42 - After reducing the fraction, the answer is 86/21
- In mixed form: 42/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/6-4/7 28/6-8/7 28/12-4/7 28/6-4/14 84/6-4/7 28/6-12/7 28/18-4/7 28/6-4/21 28/6-20/7 28/30-4/7 28/6-4/35 28/6-28/7 28/42-4/7 28/6-4/49