Answers

Add 90/75 and 15/20

1^st number: 1 15/75, 2^nd number: 15/20

90/75 + 15/20 is 39/20.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 75 and 20 is 300
   
   Next, find the equivalent fraction of both fractional numbers with denominator 300
2. For the 1st fraction, since 75 × 4 = 300,
   90/75 = 90 × 4/75 × 4 = 360/300
3. Likewise, for the 2nd fraction, since 20 × 15 = 300,
   15/20 = 15 × 15/20 × 15 = 225/300
4. Add the two like fractions:
   360/300 + 225/300 = 360 + 225/300 = 585/300
5. 585/300 simplified gives 39/20
6. So, 90/75 + 15/20 = 39/20
   In mixed form: 119/20

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