Answers

Add 30/50 and 90/80

1^st number: 30/50, 2^nd number: 1 10/80

30/50 + 90/80 is 69/40.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 50 and 80 is 400
   
   Next, find the equivalent fraction of both fractional numbers with denominator 400
2. For the 1st fraction, since 50 × 8 = 400,
   30/50 = 30 × 8/50 × 8 = 240/400
3. Likewise, for the 2nd fraction, since 80 × 5 = 400,
   90/80 = 90 × 5/80 × 5 = 450/400
4. Add the two like fractions:
   240/400 + 450/400 = 240 + 450/400 = 690/400
5. 690/400 simplified gives 69/40
6. So, 30/50 + 90/80 = 69/40
   In mixed form: 129/40

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