Add 18/30 and 9/4
1st number: 18/30, 2nd number: 2 1/4
18/30 + 9/4 is 57/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 4 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 30 × 2 = 60,
18/30 = 18 × 2/30 × 2 = 36/60 - Likewise, for the 2nd fraction, since 4 × 15 = 60,
9/4 = 9 × 15/4 × 15 = 135/60 - Add the two like fractions:
36/60 + 135/60 = 36 + 135/60 = 171/60 - 171/60 simplified gives 57/20
- So, 18/30 + 9/4 = 57/20
In mixed form: 217/20
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