Add 36/9 and 7/20
1st number: 4 0/9, 2nd number: 7/20
36/9 + 7/20 is 87/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 20 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 9 × 20 = 180,
36/9 = 36 × 20/9 × 20 = 720/180 - Likewise, for the 2nd fraction, since 20 × 9 = 180,
7/20 = 7 × 9/20 × 9 = 63/180 - Add the two like fractions:
720/180 + 63/180 = 720 + 63/180 = 783/180 - 783/180 simplified gives 87/20
- So, 36/9 + 7/20 = 87/20
In mixed form: 47/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/9+7/20 36/9+14/20 36/18+7/20 36/9+7/40 36/9+21/20 36/27+7/20 36/9+7/60 36/9+35/20 36/45+7/20 36/9+49/20 36/63+7/20