Answers

Add 90/75 and 30/18

1^st number: 1 15/75, 2^nd number: 1 12/18

90/75 + 30/18 is 43/15.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 75 and 18 is 450
   
   Next, find the equivalent fraction of both fractional numbers with denominator 450
2. For the 1st fraction, since 75 × 6 = 450,
   90/75 = 90 × 6/75 × 6 = 540/450
3. Likewise, for the 2nd fraction, since 18 × 25 = 450,
   30/18 = 30 × 25/18 × 25 = 750/450
4. Add the two like fractions:
   540/450 + 750/450 = 540 + 750/450 = 1290/450
5. 1290/450 simplified gives 43/15
6. So, 90/75 + 30/18 = 43/15
   In mixed form: 213/15

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