Answers

Add 48/49 and 84/80

1^st number: 48/49, 2^nd number: 1 4/80

48/49 + 84/80 is 1989/980.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 49 and 80 is 3920
   
   Next, find the equivalent fraction of both fractional numbers with denominator 3920
2. For the 1st fraction, since 49 × 80 = 3920,
   48/49 = 48 × 80/49 × 80 = 3840/3920
3. Likewise, for the 2nd fraction, since 80 × 49 = 3920,
   84/80 = 84 × 49/80 × 49 = 4116/3920
4. Add the two like fractions:
   3840/3920 + 4116/3920 = 3840 + 4116/3920 = 7956/3920
5. 7956/3920 simplified gives 1989/980
6. So, 48/49 + 84/80 = 1989/980
   In mixed form: 229/980

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