Add 9/18 and 72/24
1st number: 9/18, 2nd number: 3 0/24
9/18 + 72/24 is 7/2.
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,
9/18 = 9 × 4/18 × 4 = 36/72 - Likewise, for the 2nd fraction, since 24 × 3 = 72,
72/24 = 72 × 3/24 × 3 = 216/72 - Add the two like fractions:
36/72 + 216/72 = 36 + 216/72 = 252/72 - 252/72 simplified gives 7/2
- So, 9/18 + 72/24 = 7/2
In mixed form: 31/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 9/36+72/24 9/18+72/48 27/18+72/24 9/54+72/24 45/18+72/24 9/90+72/24 63/18+72/24