Answers

Add 20/4 and 50/90

1^st number: 5 0/4, 2^nd number: 50/90

20/4 + 50/90 is 50/9.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 4 and 90 is 180
   
   Next, find the equivalent fraction of both fractional numbers with denominator 180
2. For the 1st fraction, since 4 × 45 = 180,
   20/4 = 20 × 45/4 × 45 = 900/180
3. Likewise, for the 2nd fraction, since 90 × 2 = 180,
   50/90 = 50 × 2/90 × 2 = 100/180
4. Add the two like fractions:
   900/180 + 100/180 = 900 + 100/180 = 1000/180
5. 1000/180 simplified gives 50/9
6. So, 20/4 + 50/90 = 50/9
   In mixed form: 55/9

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