Answers

Add 50/90 and 84/80

1^st number: 50/90, 2^nd number: 1 4/80

50/90 + 84/80 is 289/180.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 90 and 80 is 720
   
   Next, find the equivalent fraction of both fractional numbers with denominator 720
2. For the 1st fraction, since 90 × 8 = 720,
   50/90 = 50 × 8/90 × 8 = 400/720
3. Likewise, for the 2nd fraction, since 80 × 9 = 720,
   84/80 = 84 × 9/80 × 9 = 756/720
4. Add the two like fractions:
   400/720 + 756/720 = 400 + 756/720 = 1156/720
5. 1156/720 simplified gives 289/180
6. So, 50/90 + 84/80 = 289/180
   In mixed form: 1109/180

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