Add 5/81 and 30/4
1st number: 5/81, 2nd number: 7 2/4
5/81 + 30/4 is 1225/162.
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,
5/81 = 5 × 4/81 × 4 = 20/324 - Likewise, for the 2nd fraction, since 4 × 81 = 324,
30/4 = 30 × 81/4 × 81 = 2430/324 - Add the two like fractions:
20/324 + 2430/324 = 20 + 2430/324 = 2450/324 - 2450/324 simplified gives 1225/162
- So, 5/81 + 30/4 = 1225/162
In mixed form: 791/162
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