Answers

Add 25/45 and 50/42

1^st number: 25/45, 2^nd number: 1 8/42

25/45 + 50/42 is 110/63.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 45 and 42 is 630
   
   Next, find the equivalent fraction of both fractional numbers with denominator 630
2. For the 1st fraction, since 45 × 14 = 630,
   25/45 = 25 × 14/45 × 14 = 350/630
3. Likewise, for the 2nd fraction, since 42 × 15 = 630,
   50/42 = 50 × 15/42 × 15 = 750/630
4. Add the two like fractions:
   350/630 + 750/630 = 350 + 750/630 = 1100/630
5. 1100/630 simplified gives 110/63
6. So, 25/45 + 50/42 = 110/63
   In mixed form: 147/63

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