Add 18/8 and 27/18
1st number: 2 2/8, 2nd number: 1 9/18
18/8 + 27/18 is 15/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 18 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 8 × 9 = 72,
18/8 = 18 × 9/8 × 9 = 162/72 - Likewise, for the 2nd fraction, since 18 × 4 = 72,
27/18 = 27 × 4/18 × 4 = 108/72 - Add the two like fractions:
162/72 + 108/72 = 162 + 108/72 = 270/72 - 270/72 simplified gives 15/4
- So, 18/8 + 27/18 = 15/4
In mixed form: 33/4
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