Add 30/28 and 15/36
1st number: 1 2/28, 2nd number: 15/36
30/28 + 15/36 is 125/84.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 36 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 28 × 9 = 252,
30/28 = 30 × 9/28 × 9 = 270/252 - Likewise, for the 2nd fraction, since 36 × 7 = 252,
15/36 = 15 × 7/36 × 7 = 105/252 - Add the two like fractions:
270/252 + 105/252 = 270 + 105/252 = 375/252 - 375/252 simplified gives 125/84
- So, 30/28 + 15/36 = 125/84
In mixed form: 141/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/28+15/36 30/28+30/36 30/56+15/36 30/28+15/72 90/28+15/36 30/28+45/36 30/84+15/36 30/28+75/36