Answers

Add 90/42 and 35/45

1^st number: 2 6/42, 2^nd number: 35/45

90/42 + 35/45 is 184/63.

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,
   90/42 = 90 × 15/42 × 15 = 1350/630
3. Likewise, for the 2nd fraction, since 45 × 14 = 630,
   35/45 = 35 × 14/45 × 14 = 490/630
4. Add the two like fractions:
   1350/630 + 490/630 = 1350 + 490/630 = 1840/630
5. 1840/630 simplified gives 184/63
6. So, 90/42 + 35/45 = 184/63
   In mixed form: 258/63

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