Answers

Add 3/54 and 5/63

3/54 + 5/63 is 17/126.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 54 and 63 is 378
   
   Next, find the equivalent fraction of both fractional numbers with denominator 378
2. For the 1st fraction, since 54 × 7 = 378,
   3/54 = 3 × 7/54 × 7 = 21/378
3. Likewise, for the 2nd fraction, since 63 × 6 = 378,
   5/63 = 5 × 6/63 × 6 = 30/378
4. Add the two like fractions:
   21/378 + 30/378 = 21 + 30/378 = 51/378
5. 51/378 simplified gives 17/126
6. So, 3/54 + 5/63 = 17/126

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