Answers

Add 90/20 and 50/75

1^st number: 4 10/20, 2^nd number: 50/75

90/20 + 50/75 is 31/6.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 75 is 300
   
   Next, find the equivalent fraction of both fractional numbers with denominator 300
2. For the 1st fraction, since 20 × 15 = 300,
   90/20 = 90 × 15/20 × 15 = 1350/300
3. Likewise, for the 2nd fraction, since 75 × 4 = 300,
   50/75 = 50 × 4/75 × 4 = 200/300
4. Add the two like fractions:
   1350/300 + 200/300 = 1350 + 200/300 = 1550/300
5. 1550/300 simplified gives 31/6
6. So, 90/20 + 50/75 = 31/6
   In mixed form: 51/6

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