Add 1/81 and 20/64
1/81 + 20/64 is 421/1296.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 64 is 5184
Next, find the equivalent fraction of both fractional numbers with denominator 5184 - For the 1st fraction, since 81 × 64 = 5184,
1/81 = 1 × 64/81 × 64 = 64/5184 - Likewise, for the 2nd fraction, since 64 × 81 = 5184,
20/64 = 20 × 81/64 × 81 = 1620/5184 - Add the two like fractions:
64/5184 + 1620/5184 = 64 + 1620/5184 = 1684/5184 - 1684/5184 simplified gives 421/1296
- So, 1/81 + 20/64 = 421/1296
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