Add 64/81 and 27/20
1st number: 64/81, 2nd number: 1 7/20
64/81 + 27/20 is 3467/1620.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 20 is 1620
Next, find the equivalent fraction of both fractional numbers with denominator 1620 - For the 1st fraction, since 81 × 20 = 1620,
64/81 = 64 × 20/81 × 20 = 1280/1620 - Likewise, for the 2nd fraction, since 20 × 81 = 1620,
27/20 = 27 × 81/20 × 81 = 2187/1620 - Add the two like fractions:
1280/1620 + 2187/1620 = 1280 + 2187/1620 = 3467/1620 - So, 64/81 + 27/20 = 3467/1620
In mixed form: 2227/1620
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