Add 32/81 and 81/40, Solve 32/81 + 2 1/40 as a fraction

Add 32/81 and 81/40

1^st number: 32/81, 2^nd number: 2 1/40

32/81 + 81/40 is 7841/3240.

Find the least common denominator or LCM of the two denominators:
LCM of 81 and 40 is 3240

Next, find the equivalent fraction of both fractional numbers with denominator 3240
For the 1st fraction, since 81 × 40 = 3240,
32/81 = 32 × 40/81 × 40 = 1280/3240
Likewise, for the 2nd fraction, since 40 × 81 = 3240,
81/40 = 81 × 81/40 × 81 = 6561/3240
Add the two like fractions:
1280/3240 + 6561/3240 = 1280 + 6561/3240 = 7841/3240
So, 32/81 + 81/40 = 7841/3240
In mixed form: 21361/3240

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