Subtract 70/14 from 3/18
1st number: 3/18, 2nd number: 5 0/14
3/18 - 70/14 is -29/6.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 14 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 18 × 7 = 126,
3/18 = 3 × 7/18 × 7 = 21/126 - Likewise, for the 2nd fraction, since 14 × 9 = 126,
70/14 = 70 × 9/14 × 9 = 630/126 - Subtract the two like fractions:
21/126 - 630/126 = 21 - 630/126 = -609/126 - After reducing the fraction, the answer is -29/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/18-70/14 3/36-70/14 3/18-70/28 9/18-70/14 3/54-70/14 3/18-70/42 15/18-70/14 3/90-70/14 21/18-70/14 3/18-70/98