Subtract 3/28 from 35/70
35/70 - 3/28 is 11/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 28 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 70 × 2 = 140,
35/70 = 35 × 2/70 × 2 = 70/140 - Likewise, for the 2nd fraction, since 28 × 5 = 140,
3/28 = 3 × 5/28 × 5 = 15/140 - Subtract the two like fractions:
70/140 - 15/140 = 70 - 15/140 = 55/140 - After reducing the fraction, the answer is 11/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 35/70-6/28 35/70-3/56 35/70-9/28 35/70-3/84 35/70-15/28 35/70-21/28