Subtract 4/35 from 28/70
28/70 - 4/35 is 2/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 35 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 70 × 1 = 70,
28/70 = 28 × 1/70 × 1 = 28/70 - Likewise, for the 2nd fraction, since 35 × 2 = 70,
4/35 = 4 × 2/35 × 2 = 8/70 - Subtract the two like fractions:
28/70 - 8/70 = 28 - 8/70 = 20/70 - After reducing the fraction, the answer is 2/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/70-4/35 28/70-8/35 28/70-4/70 84/70-4/35 28/70-12/35 28/70-20/35 28/70-28/35