Answers

Add 84/80 and 90/98

1^st number: 1 4/80, 2^nd number: 90/98

84/80 + 90/98 is 1929/980.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 80 and 98 is 3920
   
   Next, find the equivalent fraction of both fractional numbers with denominator 3920
2. For the 1st fraction, since 80 × 49 = 3920,
   84/80 = 84 × 49/80 × 49 = 4116/3920
3. Likewise, for the 2nd fraction, since 98 × 40 = 3920,
   90/98 = 90 × 40/98 × 40 = 3600/3920
4. Add the two like fractions:
   4116/3920 + 3600/3920 = 4116 + 3600/3920 = 7716/3920
5. 7716/3920 simplified gives 1929/980
6. So, 84/80 + 90/98 = 1929/980
   In mixed form: 1949/980

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