Add 84/18 and 54/24
1st number: 4 12/18, 2nd number: 2 6/24
84/18 + 54/24 is 83/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 24 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 18 × 4 = 72,
84/18 = 84 × 4/18 × 4 = 336/72 - Likewise, for the 2nd fraction, since 24 × 3 = 72,
54/24 = 54 × 3/24 × 3 = 162/72 - Add the two like fractions:
336/72 + 162/72 = 336 + 162/72 = 498/72 - 498/72 simplified gives 83/12
- So, 84/18 + 54/24 = 83/12
In mixed form: 611/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/36+54/24 84/18+54/48 84/54+54/24 84/18+54/72 84/90+54/24