Answers

Add 8/40 and 45/81

8/40 + 45/81 is 34/45.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 40 and 81 is 3240
   
   Next, find the equivalent fraction of both fractional numbers with denominator 3240
2. For the 1st fraction, since 40 × 81 = 3240,
   8/40 = 8 × 81/40 × 81 = 648/3240
3. Likewise, for the 2nd fraction, since 81 × 40 = 3240,
   45/81 = 45 × 40/81 × 40 = 1800/3240
4. Add the two like fractions:
   648/3240 + 1800/3240 = 648 + 1800/3240 = 2448/3240
5. 2448/3240 simplified gives 34/45
6. So, 8/40 + 45/81 = 34/45

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