Add 5/12 and 18/28
5/12 + 18/28 is 89/84.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 28 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 12 × 7 = 84,
5/12 = 5 × 7/12 × 7 = 35/84 - Likewise, for the 2nd fraction, since 28 × 3 = 84,
18/28 = 18 × 3/28 × 3 = 54/84 - Add the two like fractions:
35/84 + 54/84 = 35 + 54/84 = 89/84 - So, 5/12 + 18/28 = 89/84
In mixed form: 15/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/12+18/28 5/12+36/28 5/24+18/28 5/12+18/56 15/12+18/28 5/12+54/28 5/36+18/28 5/12+18/84 25/12+18/28 5/12+90/28 5/60+18/28 35/12+18/28 5/84+18/28