Add 81/27 and 20/12
1st number: 3 0/27, 2nd number: 1 8/12
81/27 + 20/12 is 14/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 12 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 12 × 9 = 108,
20/12 = 20 × 9/12 × 9 = 180/108 - Add the two like fractions:
324/108 + 180/108 = 324 + 180/108 = 504/108 - 504/108 simplified gives 14/3
- So, 81/27 + 20/12 = 14/3
In mixed form: 42/3
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