Subtract 8/28 from 6/70
6/70 - 8/28 is -1/5.
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,
6/70 = 6 × 2/70 × 2 = 12/140 - Likewise, for the 2nd fraction, since 28 × 5 = 140,
8/28 = 8 × 5/28 × 5 = 40/140 - Subtract the two like fractions:
12/140 - 40/140 = 12 - 40/140 = -28/140 - After reducing the fraction, the answer is -1/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/70-8/28 6/70-16/28 6/70-8/56 18/70-8/28 6/70-24/28 6/70-8/84 30/70-8/28 6/70-40/28 42/70-8/28 6/70-56/28