Answers

Add 42/63 and 90/30

1^st number: 42/63, 2^nd number: 3 0/30

42/63 + 90/30 is 11/3.

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,
   90/30 = 90 × 21/30 × 21 = 1890/630
4. Add the two like fractions:
   420/630 + 1890/630 = 420 + 1890/630 = 2310/630
5. 2310/630 simplified gives 11/3
6. So, 42/63 + 90/30 = 11/3
   In mixed form: 32/3

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