Add 42/4 and 30/81
1st number: 10 2/4, 2nd number: 30/81
42/4 + 30/81 is 587/54.
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,
42/4 = 42 × 81/4 × 81 = 3402/324 - Likewise, for the 2nd fraction, since 81 × 4 = 324,
30/81 = 30 × 4/81 × 4 = 120/324 - Add the two like fractions:
3402/324 + 120/324 = 3402 + 120/324 = 3522/324 - 3522/324 simplified gives 587/54
- So, 42/4 + 30/81 = 587/54
In mixed form: 1047/54
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