Add 18/72 and 49/36
1st number: 18/72, 2nd number: 1 13/36
18/72 + 49/36 is 29/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 36 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 72 × 1 = 72,
18/72 = 18 × 1/72 × 1 = 18/72 - Likewise, for the 2nd fraction, since 36 × 2 = 72,
49/36 = 49 × 2/36 × 2 = 98/72 - Add the two like fractions:
18/72 + 98/72 = 18 + 98/72 = 116/72 - 116/72 simplified gives 29/18
- So, 18/72 + 49/36 = 29/18
In mixed form: 111/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/72+49/36 18/72+98/36 18/72+49/72 54/72+49/36 90/72+49/36