Add 84/28 and 18/24
1st number: 3 0/28, 2nd number: 18/24
84/28 + 18/24 is 15/4.
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,
84/28 = 84 × 6/28 × 6 = 504/168 - Likewise, for the 2nd fraction, since 24 × 7 = 168,
18/24 = 18 × 7/24 × 7 = 126/168 - Add the two like fractions:
504/168 + 126/168 = 504 + 126/168 = 630/168 - 630/168 simplified gives 15/4
- So, 84/28 + 18/24 = 15/4
In mixed form: 33/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/28+36/24 84/56+18/24 84/28+18/48 84/28+54/24 84/28+18/72 84/28+90/24