Add 24/20 and 1/81, Solve 1 4/20 + 1/81 as a fraction

Add 24/20 and 1/81

1^st number: 1 4/20, 2^nd number: 1/81

24/20 + 1/81 is 491/405.

Find the least common denominator or LCM of the two denominators:
LCM of 20 and 81 is 1620

Next, find the equivalent fraction of both fractional numbers with denominator 1620
For the 1st fraction, since 20 × 81 = 1620,
24/20 = 24 × 81/20 × 81 = 1944/1620
Likewise, for the 2nd fraction, since 81 × 20 = 1620,
1/81 = 1 × 20/81 × 20 = 20/1620
Add the two like fractions:
1944/1620 + 20/1620 = 1944 + 20/1620 = 1964/1620
1964/1620 simplified gives 491/405
So, 24/20 + 1/81 = 491/405
In mixed form: 186/405

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