Add 20/36 and 45/12
1st number: 20/36, 2nd number: 3 9/12
20/36 + 45/12 is 155/36.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 12 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 36 × 1 = 36,
20/36 = 20 × 1/36 × 1 = 20/36 - Likewise, for the 2nd fraction, since 12 × 3 = 36,
45/12 = 45 × 3/12 × 3 = 135/36 - Add the two like fractions:
20/36 + 135/36 = 20 + 135/36 = 155/36 - So, 20/36 + 45/12 = 155/36
In mixed form: 411/36
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