Add 1/28 and 15/36
1/28 + 15/36 is 19/42.
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,
1/28 = 1 × 9/28 × 9 = 9/252 - Likewise, for the 2nd fraction, since 36 × 7 = 252,
15/36 = 15 × 7/36 × 7 = 105/252 - Add the two like fractions:
9/252 + 105/252 = 9 + 105/252 = 114/252 - 114/252 simplified gives 19/42
- So, 1/28 + 15/36 = 19/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/28+15/36 1/28+30/36 1/56+15/36 1/28+15/72 3/28+15/36 1/28+45/36 1/84+15/36 5/28+15/36 1/28+75/36 7/28+15/36