Add 1/81 and 20/8
1st number: 1/81, 2nd number: 2 4/8
1/81 + 20/8 is 407/162.
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,
20/8 = 20 × 81/8 × 81 = 1620/648 - Add the two like fractions:
8/648 + 1620/648 = 8 + 1620/648 = 1628/648 - 1628/648 simplified gives 407/162
- So, 1/81 + 20/8 = 407/162
In mixed form: 283/162
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