Subtract 6/20 from 14/70
14/70 - 6/20 is -1/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 20 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 70 × 2 = 140,
14/70 = 14 × 2/70 × 2 = 28/140 - Likewise, for the 2nd fraction, since 20 × 7 = 140,
6/20 = 6 × 7/20 × 7 = 42/140 - Subtract the two like fractions:
28/140 - 42/140 = 28 - 42/140 = -14/140 - After reducing the fraction, the answer is -1/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/70-6/20 14/70-12/20 14/70-6/40 42/70-6/20 14/70-18/20 14/70-6/60 14/70-30/20 98/70-6/20 14/70-42/20