Add 40/45 and 7/36
40/45 + 7/36 is 13/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 36 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 45 × 4 = 180,
40/45 = 40 × 4/45 × 4 = 160/180 - Likewise, for the 2nd fraction, since 36 × 5 = 180,
7/36 = 7 × 5/36 × 5 = 35/180 - Add the two like fractions:
160/180 + 35/180 = 160 + 35/180 = 195/180 - 195/180 simplified gives 13/12
- So, 40/45 + 7/36 = 13/12
In mixed form: 11/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/45+7/36 40/45+14/36 40/90+7/36 40/45+7/72 40/45+21/36 40/45+35/36 40/45+49/36