Add 4/81 and 20/4
1st number: 4/81, 2nd number: 5 0/4
4/81 + 20/4 is 409/81.
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,
4/81 = 4 × 4/81 × 4 = 16/324 - Likewise, for the 2nd fraction, since 4 × 81 = 324,
20/4 = 20 × 81/4 × 81 = 1620/324 - Add the two like fractions:
16/324 + 1620/324 = 16 + 1620/324 = 1636/324 - 1636/324 simplified gives 409/81
- So, 4/81 + 20/4 = 409/81
In mixed form: 54/81
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