Answers

Add 45/42 and 35/90

1^st number: 1 3/42, 2^nd number: 35/90

45/42 + 35/90 is 92/63.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 90 is 630
   
   Next, find the equivalent fraction of both fractional numbers with denominator 630
2. For the 1st fraction, since 42 × 15 = 630,
   45/42 = 45 × 15/42 × 15 = 675/630
3. Likewise, for the 2nd fraction, since 90 × 7 = 630,
   35/90 = 35 × 7/90 × 7 = 245/630
4. Add the two like fractions:
   675/630 + 245/630 = 675 + 245/630 = 920/630
5. 920/630 simplified gives 92/63
6. So, 45/42 + 35/90 = 92/63
   In mixed form: 129/63

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