Answers

Add 50/4 and 90/20

1^st number: 12 2/4, 2^nd number: 4 10/20

50/4 + 90/20 is 17/1.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 4 and 20 is 20
   
   Next, find the equivalent fraction of both fractional numbers with denominator 20
2. For the 1st fraction, since 4 × 5 = 20,
   50/4 = 50 × 5/4 × 5 = 250/20
3. Likewise, for the 2nd fraction, since 20 × 1 = 20,
   90/20 = 90 × 1/20 × 1 = 90/20
4. Add the two like fractions:
   250/20 + 90/20 = 250 + 90/20 = 340/20
5. 340/20 simplified gives 17/1
6. So, 50/4 + 90/20 = 17/1

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