Add 27/24 and 45/18
1st number: 1 3/24, 2nd number: 2 9/18
27/24 + 45/18 is 29/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 18 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 24 × 3 = 72,
27/24 = 27 × 3/24 × 3 = 81/72 - Likewise, for the 2nd fraction, since 18 × 4 = 72,
45/18 = 45 × 4/18 × 4 = 180/72 - Add the two like fractions:
81/72 + 180/72 = 81 + 180/72 = 261/72 - 261/72 simplified gives 29/8
- So, 27/24 + 45/18 = 29/8
In mixed form: 35/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/24+45/18 27/24+90/18 27/48+45/18 27/24+45/36 81/24+45/18 27/72+45/18 27/24+45/54 27/24+45/90