Add 1/81 and 42/8
1st number: 1/81, 2nd number: 5 2/8
1/81 + 42/8 is 1705/324.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 8 is 648
Next, find the equivalent fraction of both fractional numbers with denominator 648 - For the 1st fraction, since 81 × 8 = 648,
1/81 = 1 × 8/81 × 8 = 8/648 - Likewise, for the 2nd fraction, since 8 × 81 = 648,
42/8 = 42 × 81/8 × 81 = 3402/648 - Add the two like fractions:
8/648 + 3402/648 = 8 + 3402/648 = 3410/648 - 3410/648 simplified gives 1705/324
- So, 1/81 + 42/8 = 1705/324
In mixed form: 585/324
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