Add 45/36 and 20/15
1st number: 1 9/36, 2nd number: 1 5/15
45/36 + 20/15 is 31/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 15 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 36 × 5 = 180,
45/36 = 45 × 5/36 × 5 = 225/180 - Likewise, for the 2nd fraction, since 15 × 12 = 180,
20/15 = 20 × 12/15 × 12 = 240/180 - Add the two like fractions:
225/180 + 240/180 = 225 + 240/180 = 465/180 - 465/180 simplified gives 31/12
- So, 45/36 + 20/15 = 31/12
In mixed form: 27/12
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