Add 70/5 and 42/81
1st number: 14 0/5, 2nd number: 42/81
70/5 + 42/81 is 392/27.
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,
70/5 = 70 × 81/5 × 81 = 5670/405 - Likewise, for the 2nd fraction, since 81 × 5 = 405,
42/81 = 42 × 5/81 × 5 = 210/405 - Add the two like fractions:
5670/405 + 210/405 = 5670 + 210/405 = 5880/405 - 5880/405 simplified gives 392/27
- So, 70/5 + 42/81 = 392/27
In mixed form: 1414/27
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