Answers

Add 15/42 and 45/25

1^st number: 15/42, 2^nd number: 1 20/25

15/42 + 45/25 is 151/70.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 25 is 1050
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1050
2. For the 1st fraction, since 42 × 25 = 1050,
   15/42 = 15 × 25/42 × 25 = 375/1050
3. Likewise, for the 2nd fraction, since 25 × 42 = 1050,
   45/25 = 45 × 42/25 × 42 = 1890/1050
4. Add the two like fractions:
   375/1050 + 1890/1050 = 375 + 1890/1050 = 2265/1050
5. 2265/1050 simplified gives 151/70
6. So, 15/42 + 45/25 = 151/70
   In mixed form: 211/70

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