Answers

Add 42/35 and 30/90

1^st number: 1 7/35, 2^nd number: 30/90

42/35 + 30/90 is 23/15.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 35 and 90 is 630
   
   Next, find the equivalent fraction of both fractional numbers with denominator 630
2. For the 1st fraction, since 35 × 18 = 630,
   42/35 = 42 × 18/35 × 18 = 756/630
3. Likewise, for the 2nd fraction, since 90 × 7 = 630,
   30/90 = 30 × 7/90 × 7 = 210/630
4. Add the two like fractions:
   756/630 + 210/630 = 756 + 210/630 = 966/630
5. 966/630 simplified gives 23/15
6. So, 42/35 + 30/90 = 23/15
   In mixed form: 18/15

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