Subtract 20/70 from 12/14
12/14 - 20/70 is 4/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 70 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 14 × 5 = 70,
12/14 = 12 × 5/14 × 5 = 60/70 - Likewise, for the 2nd fraction, since 70 × 1 = 70,
20/70 = 20 × 1/70 × 1 = 20/70 - Subtract the two like fractions:
60/70 - 20/70 = 60 - 20/70 = 40/70 - After reducing the fraction, the answer is 4/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/14-20/70 12/14-40/70 12/28-20/70 36/14-20/70 12/14-60/70 12/42-20/70 60/14-20/70 12/70-20/70 84/14-20/70 12/98-20/70