Subtract 6/28 from 49/70
49/70 - 6/28 is 17/35.
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,
49/70 = 49 × 2/70 × 2 = 98/140 - Likewise, for the 2nd fraction, since 28 × 5 = 140,
6/28 = 6 × 5/28 × 5 = 30/140 - Subtract the two like fractions:
98/140 - 30/140 = 98 - 30/140 = 68/140 - After reducing the fraction, the answer is 17/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/70-6/28 49/70-12/28 49/70-6/56 49/70-18/28 49/70-6/84 49/70-30/28 49/70-42/28