Answers

Add 42/63 and 8/54

42/63 + 8/54 is 22/27.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 54 is 378
   
   Next, find the equivalent fraction of both fractional numbers with denominator 378
2. For the 1st fraction, since 63 × 6 = 378,
   42/63 = 42 × 6/63 × 6 = 252/378
3. Likewise, for the 2nd fraction, since 54 × 7 = 378,
   8/54 = 8 × 7/54 × 7 = 56/378
4. Add the two like fractions:
   252/378 + 56/378 = 252 + 56/378 = 308/378
5. 308/378 simplified gives 22/27
6. So, 42/63 + 8/54 = 22/27

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