Add 30/14 and 70/72
1st number: 2 2/14, 2nd number: 70/72
30/14 + 70/72 is 785/252.
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,
30/14 = 30 × 36/14 × 36 = 1080/504 - Likewise, for the 2nd fraction, since 72 × 7 = 504,
70/72 = 70 × 7/72 × 7 = 490/504 - Add the two like fractions:
1080/504 + 490/504 = 1080 + 490/504 = 1570/504 - 1570/504 simplified gives 785/252
- So, 30/14 + 70/72 = 785/252
In mixed form: 329/252
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/14+70/72 30/28+70/72 90/14+70/72 30/42+70/72 30/70+70/72 30/98+70/72