Add 12/4 and 30/81
1st number: 3 0/4, 2nd number: 30/81
12/4 + 30/81 is 91/27.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 81 is 324
Next, find the equivalent fraction of both fractional numbers with denominator 324 - For the 1st fraction, since 4 × 81 = 324,
12/4 = 12 × 81/4 × 81 = 972/324 - Likewise, for the 2nd fraction, since 81 × 4 = 324,
30/81 = 30 × 4/81 × 4 = 120/324 - Add the two like fractions:
972/324 + 120/324 = 972 + 120/324 = 1092/324 - 1092/324 simplified gives 91/27
- So, 12/4 + 30/81 = 91/27
In mixed form: 310/27
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