Answers

Add 16/42 and 56/45

1^st number: 16/42, 2^nd number: 1 11/45

16/42 + 56/45 is 512/315.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 45 is 630
   
   Next, find the equivalent fraction of both fractional numbers with denominator 630
2. For the 1st fraction, since 42 × 15 = 630,
   16/42 = 16 × 15/42 × 15 = 240/630
3. Likewise, for the 2nd fraction, since 45 × 14 = 630,
   56/45 = 56 × 14/45 × 14 = 784/630
4. Add the two like fractions:
   240/630 + 784/630 = 240 + 784/630 = 1024/630
5. 1024/630 simplified gives 512/315
6. So, 16/42 + 56/45 = 512/315
   In mixed form: 1197/315

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