Add 20/36 and 12/9
1st number: 20/36, 2nd number: 1 3/9
20/36 + 12/9 is 17/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 9 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 9 × 4 = 36,
12/9 = 12 × 4/9 × 4 = 48/36 - Add the two like fractions:
20/36 + 48/36 = 20 + 48/36 = 68/36 - 68/36 simplified gives 17/9
- So, 20/36 + 12/9 = 17/9
In mixed form: 18/9
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