Add 18/28 and 36/24
1st number: 18/28, 2nd number: 1 12/24
18/28 + 36/24 is 15/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 24 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 28 × 6 = 168,
18/28 = 18 × 6/28 × 6 = 108/168 - Likewise, for the 2nd fraction, since 24 × 7 = 168,
36/24 = 36 × 7/24 × 7 = 252/168 - Add the two like fractions:
108/168 + 252/168 = 108 + 252/168 = 360/168 - 360/168 simplified gives 15/7
- So, 18/28 + 36/24 = 15/7
In mixed form: 21/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/28+36/24 18/28+72/24 18/56+36/24 18/28+36/48 54/28+36/24 18/84+36/24 18/28+36/72 90/28+36/24