Answers

Add 4/63 and 42/54

4/63 + 42/54 is 53/63.

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,
   4/63 = 4 × 6/63 × 6 = 24/378
3. Likewise, for the 2nd fraction, since 54 × 7 = 378,
   42/54 = 42 × 7/54 × 7 = 294/378
4. Add the two like fractions:
   24/378 + 294/378 = 24 + 294/378 = 318/378
5. 318/378 simplified gives 53/63
6. So, 4/63 + 42/54 = 53/63

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