Add 27/72 and 81/36
1st number: 27/72, 2nd number: 2 9/36
27/72 + 81/36 is 21/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 36 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 72 × 1 = 72,
27/72 = 27 × 1/72 × 1 = 27/72 - Likewise, for the 2nd fraction, since 36 × 2 = 72,
81/36 = 81 × 2/36 × 2 = 162/72 - Add the two like fractions:
27/72 + 162/72 = 27 + 162/72 = 189/72 - 189/72 simplified gives 21/8
- So, 27/72 + 81/36 = 21/8
In mixed form: 25/8
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