Answers

Add 60/84 and 42/81

60/84 + 42/81 is 233/189.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 81 is 2268
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2268
2. For the 1st fraction, since 84 × 27 = 2268,
   60/84 = 60 × 27/84 × 27 = 1620/2268
3. Likewise, for the 2nd fraction, since 81 × 28 = 2268,
   42/81 = 42 × 28/81 × 28 = 1176/2268
4. Add the two like fractions:
   1620/2268 + 1176/2268 = 1620 + 1176/2268 = 2796/2268
5. 2796/2268 simplified gives 233/189
6. So, 60/84 + 42/81 = 233/189
   In mixed form: 144/189

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