Answers

Add 56/18 and 90/42

1^st number: 3 2/18, 2^nd number: 2 6/42

56/18 + 90/42 is 331/63.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 18 and 42 is 126
   
   Next, find the equivalent fraction of both fractional numbers with denominator 126
2. For the 1st fraction, since 18 × 7 = 126,
   56/18 = 56 × 7/18 × 7 = 392/126
3. Likewise, for the 2nd fraction, since 42 × 3 = 126,
   90/42 = 90 × 3/42 × 3 = 270/126
4. Add the two like fractions:
   392/126 + 270/126 = 392 + 270/126 = 662/126
5. 662/126 simplified gives 331/63
6. So, 56/18 + 90/42 = 331/63
   In mixed form: 516/63

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