Add 30/5 and 70/81
1st number: 6 0/5, 2nd number: 70/81
30/5 + 70/81 is 556/81.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 81 is 405
Next, find the equivalent fraction of both fractional numbers with denominator 405 - For the 1st fraction, since 5 × 81 = 405,
30/5 = 30 × 81/5 × 81 = 2430/405 - Likewise, for the 2nd fraction, since 81 × 5 = 405,
70/81 = 70 × 5/81 × 5 = 350/405 - Add the two like fractions:
2430/405 + 350/405 = 2430 + 350/405 = 2780/405 - 2780/405 simplified gives 556/81
- So, 30/5 + 70/81 = 556/81
In mixed form: 670/81
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