Add 1/81 and 42/7
1st number: 1/81, 2nd number: 6 0/7
1/81 + 42/7 is 487/81.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 7 is 567
Next, find the equivalent fraction of both fractional numbers with denominator 567 - For the 1st fraction, since 81 × 7 = 567,
1/81 = 1 × 7/81 × 7 = 7/567 - Likewise, for the 2nd fraction, since 7 × 81 = 567,
42/7 = 42 × 81/7 × 81 = 3402/567 - Add the two like fractions:
7/567 + 3402/567 = 7 + 3402/567 = 3409/567 - 3409/567 simplified gives 487/81
- So, 1/81 + 42/7 = 487/81
In mixed form: 61/81
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