Add 36/45 and 7/18
36/45 + 7/18 is 107/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 18 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 45 × 2 = 90,
36/45 = 36 × 2/45 × 2 = 72/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
7/18 = 7 × 5/18 × 5 = 35/90 - Add the two like fractions:
72/90 + 35/90 = 72 + 35/90 = 107/90 - So, 36/45 + 7/18 = 107/90
In mixed form: 117/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/45+7/18 36/45+14/18 36/90+7/18 36/45+7/36 36/45+21/18 36/45+7/54 36/45+35/18 36/45+7/90 36/45+49/18