Add 36/45 and 15/20
36/45 + 15/20 is 31/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 20 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 45 × 4 = 180,
36/45 = 36 × 4/45 × 4 = 144/180 - Likewise, for the 2nd fraction, since 20 × 9 = 180,
15/20 = 15 × 9/20 × 9 = 135/180 - Add the two like fractions:
144/180 + 135/180 = 144 + 135/180 = 279/180 - 279/180 simplified gives 31/20
- So, 36/45 + 15/20 = 31/20
In mixed form: 111/20
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