Add 30/18 and 42/9
1st number: 1 12/18, 2nd number: 4 6/9
30/18 + 42/9 is 19/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 9 is 18
Next, find the equivalent fraction of both fractional numbers with denominator 18 - For the 1st fraction, since 18 × 1 = 18,
30/18 = 30 × 1/18 × 1 = 30/18 - Likewise, for the 2nd fraction, since 9 × 2 = 18,
42/9 = 42 × 2/9 × 2 = 84/18 - Add the two like fractions:
30/18 + 84/18 = 30 + 84/18 = 114/18 - 114/18 simplified gives 19/3
- So, 30/18 + 42/9 = 19/3
In mixed form: 61/3
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