Add 81/72 and 27/12
1st number: 1 9/72, 2nd number: 2 3/12
81/72 + 27/12 is 27/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 12 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 72 × 1 = 72,
81/72 = 81 × 1/72 × 1 = 81/72 - Likewise, for the 2nd fraction, since 12 × 6 = 72,
27/12 = 27 × 6/12 × 6 = 162/72 - Add the two like fractions:
81/72 + 162/72 = 81 + 162/72 = 243/72 - 243/72 simplified gives 27/8
- So, 81/72 + 27/12 = 27/8
In mixed form: 33/8
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