Add 30/9 and 42/81
1st number: 3 3/9, 2nd number: 42/81
30/9 + 42/81 is 104/27.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 81 is 81
Next, find the equivalent fraction of both fractional numbers with denominator 81 - For the 1st fraction, since 9 × 9 = 81,
30/9 = 30 × 9/9 × 9 = 270/81 - Likewise, for the 2nd fraction, since 81 × 1 = 81,
42/81 = 42 × 1/81 × 1 = 42/81 - Add the two like fractions:
270/81 + 42/81 = 270 + 42/81 = 312/81 - 312/81 simplified gives 104/27
- So, 30/9 + 42/81 = 104/27
In mixed form: 323/27
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