Add 15/4 and 12/18
1st number: 3 3/4, 2nd number: 12/18
15/4 + 12/18 is 53/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 18 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 4 × 9 = 36,
15/4 = 15 × 9/4 × 9 = 135/36 - Likewise, for the 2nd fraction, since 18 × 2 = 36,
12/18 = 12 × 2/18 × 2 = 24/36 - Add the two like fractions:
135/36 + 24/36 = 135 + 24/36 = 159/36 - 159/36 simplified gives 53/12
- So, 15/4 + 12/18 = 53/12
In mixed form: 45/12
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