Answers

Add 15/45 and 75/42

1^st number: 15/45, 2^nd number: 1 33/42

15/45 + 75/42 is 89/42.

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,
   15/45 = 15 × 14/45 × 14 = 210/630
3. Likewise, for the 2nd fraction, since 42 × 15 = 630,
   75/42 = 75 × 15/42 × 15 = 1125/630
4. Add the two like fractions:
   210/630 + 1125/630 = 210 + 1125/630 = 1335/630
5. 1335/630 simplified gives 89/42
6. So, 15/45 + 75/42 = 89/42
   In mixed form: 25/42

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