Add 20/64 and 6/81
20/64 + 6/81 is 167/432.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 64 and 81 is 5184
Next, find the equivalent fraction of both fractional numbers with denominator 5184 - For the 1st fraction, since 64 × 81 = 5184,
20/64 = 20 × 81/64 × 81 = 1620/5184 - Likewise, for the 2nd fraction, since 81 × 64 = 5184,
6/81 = 6 × 64/81 × 64 = 384/5184 - Add the two like fractions:
1620/5184 + 384/5184 = 1620 + 384/5184 = 2004/5184 - 2004/5184 simplified gives 167/432
- So, 20/64 + 6/81 = 167/432
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