Answers

Add 42/81 and 12/98

42/81 + 12/98 is 848/1323.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 81 and 98 is 7938
   
   Next, find the equivalent fraction of both fractional numbers with denominator 7938
2. For the 1st fraction, since 81 × 98 = 7938,
   42/81 = 42 × 98/81 × 98 = 4116/7938
3. Likewise, for the 2nd fraction, since 98 × 81 = 7938,
   12/98 = 12 × 81/98 × 81 = 972/7938
4. Add the two like fractions:
   4116/7938 + 972/7938 = 4116 + 972/7938 = 5088/7938
5. 5088/7938 simplified gives 848/1323
6. So, 42/81 + 12/98 = 848/1323

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