Add 20/18 and 28/12
1st number: 1 2/18, 2nd number: 2 4/12
20/18 + 28/12 is 31/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 12 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 18 × 2 = 36,
20/18 = 20 × 2/18 × 2 = 40/36 - Likewise, for the 2nd fraction, since 12 × 3 = 36,
28/12 = 28 × 3/12 × 3 = 84/36 - Add the two like fractions:
40/36 + 84/36 = 40 + 84/36 = 124/36 - 124/36 simplified gives 31/9
- So, 20/18 + 28/12 = 31/9
In mixed form: 34/9
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