Add 81/4 and 36/27
1st number: 20 1/4, 2nd number: 1 9/27
81/4 + 36/27 is 259/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 27 is 108
Next, find the equivalent fraction of both fractional numbers with denominator 108 - For the 1st fraction, since 4 × 27 = 108,
81/4 = 81 × 27/4 × 27 = 2187/108 - Likewise, for the 2nd fraction, since 27 × 4 = 108,
36/27 = 36 × 4/27 × 4 = 144/108 - Add the two like fractions:
2187/108 + 144/108 = 2187 + 144/108 = 2331/108 - 2331/108 simplified gives 259/12
- So, 81/4 + 36/27 = 259/12
In mixed form: 217/12
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