Add 81/27 and 18/36
1st number: 3 0/27, 2nd number: 18/36
81/27 + 18/36 is 7/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 36 is 108
Next, find the equivalent fraction of both fractional numbers with denominator 108 - For the 1st fraction, since 27 × 4 = 108,
81/27 = 81 × 4/27 × 4 = 324/108 - Likewise, for the 2nd fraction, since 36 × 3 = 108,
18/36 = 18 × 3/36 × 3 = 54/108 - Add the two like fractions:
324/108 + 54/108 = 324 + 54/108 = 378/108 - 378/108 simplified gives 7/2
- So, 81/27 + 18/36 = 7/2
In mixed form: 31/2
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