Answers

Add 9/90 and 45/42

1^st number: 9/90, 2^nd number: 1 3/42

9/90 + 45/42 is 41/35.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 90 and 42 is 630
   
   Next, find the equivalent fraction of both fractional numbers with denominator 630
2. For the 1st fraction, since 90 × 7 = 630,
   9/90 = 9 × 7/90 × 7 = 63/630
3. Likewise, for the 2nd fraction, since 42 × 15 = 630,
   45/42 = 45 × 15/42 × 15 = 675/630
4. Add the two like fractions:
   63/630 + 675/630 = 63 + 675/630 = 738/630
5. 738/630 simplified gives 41/35
6. So, 9/90 + 45/42 = 41/35
   In mixed form: 16/35

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