Add 36/45 and 7/30
36/45 + 7/30 is 31/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 30 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 30 × 3 = 90,
7/30 = 7 × 3/30 × 3 = 21/90 - Add the two like fractions:
72/90 + 21/90 = 72 + 21/90 = 93/90 - 93/90 simplified gives 31/30
- So, 36/45 + 7/30 = 31/30
In mixed form: 11/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/45+7/30 36/45+14/30 36/90+7/30 36/45+7/60 36/45+21/30 36/45+7/90 36/45+35/30 36/45+49/30