Add 27/18 and 18/16
1st number: 1 9/18, 2nd number: 1 2/16
27/18 + 18/16 is 21/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 16 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 18 × 8 = 144,
27/18 = 27 × 8/18 × 8 = 216/144 - Likewise, for the 2nd fraction, since 16 × 9 = 144,
18/16 = 18 × 9/16 × 9 = 162/144 - Add the two like fractions:
216/144 + 162/144 = 216 + 162/144 = 378/144 - 378/144 simplified gives 21/8
- So, 27/18 + 18/16 = 21/8
In mixed form: 25/8
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