Add 70/18 and 15/14
1st number: 3 16/18, 2nd number: 1 1/14
70/18 + 15/14 is 625/126.
Steps for adding 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,
70/18 = 70 × 7/18 × 7 = 490/126 - Likewise, for the 2nd fraction, since 14 × 9 = 126,
15/14 = 15 × 9/14 × 9 = 135/126 - Add the two like fractions:
490/126 + 135/126 = 490 + 135/126 = 625/126 - So, 70/18 + 15/14 = 625/126
In mixed form: 4121/126
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/18+30/14 70/36+15/14 70/18+15/28 70/18+45/14 70/54+15/14 70/18+15/42 70/18+75/14 70/90+15/14 70/18+15/70 70/18+15/98