Answers

Add 42/30 and 50/63

1^st number: 1 12/30, 2^nd number: 50/63

42/30 + 50/63 is 691/315.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 30 and 63 is 630
   
   Next, find the equivalent fraction of both fractional numbers with denominator 630
2. For the 1st fraction, since 30 × 21 = 630,
   42/30 = 42 × 21/30 × 21 = 882/630
3. Likewise, for the 2nd fraction, since 63 × 10 = 630,
   50/63 = 50 × 10/63 × 10 = 500/630
4. Add the two like fractions:
   882/630 + 500/630 = 882 + 500/630 = 1382/630
5. 1382/630 simplified gives 691/315
6. So, 42/30 + 50/63 = 691/315
   In mixed form: 261/315

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