Add 24/12 and 45/18
1st number: 2 0/12, 2nd number: 2 9/18
24/12 + 45/18 is 9/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 18 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 12 × 3 = 36,
24/12 = 24 × 3/12 × 3 = 72/36 - Likewise, for the 2nd fraction, since 18 × 2 = 36,
45/18 = 45 × 2/18 × 2 = 90/36 - Add the two like fractions:
72/36 + 90/36 = 72 + 90/36 = 162/36 - 162/36 simplified gives 9/2
- So, 24/12 + 45/18 = 9/2
In mixed form: 41/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 48/12+45/18 24/12+90/18 24/12+45/36 72/12+45/18 24/36+45/18 24/12+45/54 24/60+45/18 24/12+45/90 24/84+45/18