Answers

Add 90/75 and 90/45

1^st number: 1 15/75, 2^nd number: 2 0/45

90/75 + 90/45 is 16/5.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 75 and 45 is 225
   
   Next, find the equivalent fraction of both fractional numbers with denominator 225
2. For the 1st fraction, since 75 × 3 = 225,
   90/75 = 90 × 3/75 × 3 = 270/225
3. Likewise, for the 2nd fraction, since 45 × 5 = 225,
   90/45 = 90 × 5/45 × 5 = 450/225
4. Add the two like fractions:
   270/225 + 450/225 = 270 + 450/225 = 720/225
5. 720/225 simplified gives 16/5
6. So, 90/75 + 90/45 = 16/5
   In mixed form: 31/5

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