Add 27/3 and 81/12
1st number: 9 0/3, 2nd number: 6 9/12
27/3 + 81/12 is 63/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 12 is 12
Next, find the equivalent fraction of both fractional numbers with denominator 12 - For the 1st fraction, since 3 × 4 = 12,
27/3 = 27 × 4/3 × 4 = 108/12 - Likewise, for the 2nd fraction, since 12 × 1 = 12,
81/12 = 81 × 1/12 × 1 = 81/12 - Add the two like fractions:
108/12 + 81/12 = 108 + 81/12 = 189/12 - 189/12 simplified gives 63/4
- So, 27/3 + 81/12 = 63/4
In mixed form: 153/4
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