Add 70/81 and 7/5
1st number: 70/81, 2nd number: 1 2/5
70/81 + 7/5 is 917/405.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 5 is 405
Next, find the equivalent fraction of both fractional numbers with denominator 405 - For the 1st fraction, since 81 × 5 = 405,
70/81 = 70 × 5/81 × 5 = 350/405 - Likewise, for the 2nd fraction, since 5 × 81 = 405,
7/5 = 7 × 81/5 × 81 = 567/405 - Add the two like fractions:
350/405 + 567/405 = 350 + 567/405 = 917/405 - So, 70/81 + 7/5 = 917/405
In mixed form: 2107/405
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