Add 3/24 and 45/18
1st number: 3/24, 2nd number: 2 9/18
3/24 + 45/18 is 21/8.
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,
3/24 = 3 × 3/24 × 3 = 9/72 - Likewise, for the 2nd fraction, since 18 × 4 = 72,
45/18 = 45 × 4/18 × 4 = 180/72 - Add the two like fractions:
9/72 + 180/72 = 9 + 180/72 = 189/72 - 189/72 simplified gives 21/8
- So, 3/24 + 45/18 = 21/8
In mixed form: 25/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/24+45/18 3/24+90/18 3/48+45/18 3/24+45/36 9/24+45/18 3/72+45/18 3/24+45/54 15/24+45/18 3/24+45/90 21/24+45/18