Add 70/14 and 15/72
1st number: 5 0/14, 2nd number: 15/72
70/14 + 15/72 is 125/24.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 72 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 14 × 36 = 504,
70/14 = 70 × 36/14 × 36 = 2520/504 - Likewise, for the 2nd fraction, since 72 × 7 = 504,
15/72 = 15 × 7/72 × 7 = 105/504 - Add the two like fractions:
2520/504 + 105/504 = 2520 + 105/504 = 2625/504 - 2625/504 simplified gives 125/24
- So, 70/14 + 15/72 = 125/24
In mixed form: 55/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/14+30/72 70/28+15/72 70/14+45/72 70/42+15/72 70/14+75/72 70/98+15/72