Add 30/81 and 15/4
1st number: 30/81, 2nd number: 3 3/4
30/81 + 15/4 is 445/108.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 4 is 324
Next, find the equivalent fraction of both fractional numbers with denominator 324 - For the 1st fraction, since 81 × 4 = 324,
30/81 = 30 × 4/81 × 4 = 120/324 - Likewise, for the 2nd fraction, since 4 × 81 = 324,
15/4 = 15 × 81/4 × 81 = 1215/324 - Add the two like fractions:
120/324 + 1215/324 = 120 + 1215/324 = 1335/324 - 1335/324 simplified gives 445/108
- So, 30/81 + 15/4 = 445/108
In mixed form: 413/108
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