Add 18/12 and 9/30
1st number: 1 6/12, 2nd number: 9/30
18/12 + 9/30 is 9/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 30 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 12 × 5 = 60,
18/12 = 18 × 5/12 × 5 = 90/60 - Likewise, for the 2nd fraction, since 30 × 2 = 60,
9/30 = 9 × 2/30 × 2 = 18/60 - Add the two like fractions:
90/60 + 18/60 = 90 + 18/60 = 108/60 - 108/60 simplified gives 9/5
- So, 18/12 + 9/30 = 9/5
In mixed form: 14/5
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