Answers

Add 42/63 and 84/30

1^st number: 42/63, 2^nd number: 2 24/30

42/63 + 84/30 is 52/15.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 30 is 630
   
   Next, find the equivalent fraction of both fractional numbers with denominator 630
2. For the 1st fraction, since 63 × 10 = 630,
   42/63 = 42 × 10/63 × 10 = 420/630
3. Likewise, for the 2nd fraction, since 30 × 21 = 630,
   84/30 = 84 × 21/30 × 21 = 1764/630
4. Add the two like fractions:
   420/630 + 1764/630 = 420 + 1764/630 = 2184/630
5. 2184/630 simplified gives 52/15
6. So, 42/63 + 84/30 = 52/15
   In mixed form: 37/15

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