Answers

Add 42/84 and 7/54

42/84 + 7/54 is 17/27.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 54 is 756
   
   Next, find the equivalent fraction of both fractional numbers with denominator 756
2. For the 1st fraction, since 84 × 9 = 756,
   42/84 = 42 × 9/84 × 9 = 378/756
3. Likewise, for the 2nd fraction, since 54 × 14 = 756,
   7/54 = 7 × 14/54 × 14 = 98/756
4. Add the two like fractions:
   378/756 + 98/756 = 378 + 98/756 = 476/756
5. 476/756 simplified gives 17/27
6. So, 42/84 + 7/54 = 17/27

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