Subtract 20/70 from 14/12
1st number: 1 2/12, 2nd number: 20/70
14/12 - 20/70 is 37/42.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 70 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 12 × 35 = 420,
14/12 = 14 × 35/12 × 35 = 490/420 - Likewise, for the 2nd fraction, since 70 × 6 = 420,
20/70 = 20 × 6/70 × 6 = 120/420 - Subtract the two like fractions:
490/420 - 120/420 = 490 - 120/420 = 370/420 - After reducing the fraction, the answer is 37/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/12-20/70 14/12-40/70 14/24-20/70 42/12-20/70 14/12-60/70 14/36-20/70 70/12-20/70 14/60-20/70 98/12-20/70 14/84-20/70