Subtract 6/7 from 28/35
28/35 - 6/7 is -2/35.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 7 is 35
Next, find the equivalent fraction of both fractional numbers with denominator 35 - For the 1st fraction, since 35 × 1 = 35,
28/35 = 28 × 1/35 × 1 = 28/35 - Likewise, for the 2nd fraction, since 7 × 5 = 35,
6/7 = 6 × 5/7 × 5 = 30/35 - Subtract the two like fractions:
28/35 - 30/35 = 28 - 30/35 = -2/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/35-6/7 28/35-12/7 28/70-6/7 28/35-6/14 84/35-6/7 28/35-18/7 28/35-6/21 28/35-30/7 28/35-6/35 28/35-42/7 28/35-6/49