Add 30/9 and 40/12
1st number: 3 3/9, 2nd number: 3 4/12
30/9 + 40/12 is 20/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 12 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 9 × 4 = 36,
30/9 = 30 × 4/9 × 4 = 120/36 - Likewise, for the 2nd fraction, since 12 × 3 = 36,
40/12 = 40 × 3/12 × 3 = 120/36 - Add the two like fractions:
120/36 + 120/36 = 120 + 120/36 = 240/36 - 240/36 simplified gives 20/3
- So, 30/9 + 40/12 = 20/3
In mixed form: 62/3
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