Add 7/18 and 72/12
1st number: 7/18, 2nd number: 6 0/12
7/18 + 72/12 is 115/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 12 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 18 × 2 = 36,
7/18 = 7 × 2/18 × 2 = 14/36 - Likewise, for the 2nd fraction, since 12 × 3 = 36,
72/12 = 72 × 3/12 × 3 = 216/36 - Add the two like fractions:
14/36 + 216/36 = 14 + 216/36 = 230/36 - 230/36 simplified gives 115/18
- So, 7/18 + 72/12 = 115/18
In mixed form: 67/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/18+72/12 7/36+72/12 7/18+72/24 21/18+72/12 7/54+72/12 7/18+72/36 35/18+72/12 7/90+72/12 7/18+72/60 49/18+72/12 7/18+72/84