Add 15/72 and 30/14
1st number: 15/72, 2nd number: 2 2/14
15/72 + 30/14 is 395/168.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 14 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 72 × 7 = 504,
15/72 = 15 × 7/72 × 7 = 105/504 - Likewise, for the 2nd fraction, since 14 × 36 = 504,
30/14 = 30 × 36/14 × 36 = 1080/504 - Add the two like fractions:
105/504 + 1080/504 = 105 + 1080/504 = 1185/504 - 1185/504 simplified gives 395/168
- So, 15/72 + 30/14 = 395/168
In mixed form: 259/168
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/72+30/14 15/72+60/14 15/72+30/28 45/72+30/14 15/72+90/14 15/72+30/42 75/72+30/14 15/72+30/70 15/72+30/98