Subtract 12/18 from 70/14
1st number: 5 0/14, 2nd number: 12/18
70/14 - 12/18 is 13/3.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 18 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 14 × 9 = 126,
70/14 = 70 × 9/14 × 9 = 630/126 - Likewise, for the 2nd fraction, since 18 × 7 = 126,
12/18 = 12 × 7/18 × 7 = 84/126 - Subtract the two like fractions:
630/126 - 84/126 = 630 - 84/126 = 546/126 - After reducing the fraction, the answer is 13/3
- In mixed form: 41/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/14-24/18 70/28-12/18 70/14-12/36 70/14-36/18 70/42-12/18 70/14-12/54 70/14-60/18 70/14-12/90 70/14-84/18 70/98-12/18