Add 15/36 and 30/7
1st number: 15/36, 2nd number: 4 2/7
15/36 + 30/7 is 395/84.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 7 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 36 × 7 = 252,
15/36 = 15 × 7/36 × 7 = 105/252 - Likewise, for the 2nd fraction, since 7 × 36 = 252,
30/7 = 30 × 36/7 × 36 = 1080/252 - Add the two like fractions:
105/252 + 1080/252 = 105 + 1080/252 = 1185/252 - 1185/252 simplified gives 395/84
- So, 15/36 + 30/7 = 395/84
In mixed form: 459/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/36+30/7 15/36+60/7 15/72+30/7 15/36+30/14 45/36+30/7 15/36+90/7 15/36+30/21 75/36+30/7 15/36+30/35 15/36+30/49