Answers

Add 90/80 and 84/98

1^st number: 1 10/80, 2^nd number: 84/98

90/80 + 84/98 is 111/56.

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,
   90/80 = 90 × 49/80 × 49 = 4410/3920
3. Likewise, for the 2nd fraction, since 98 × 40 = 3920,
   84/98 = 84 × 40/98 × 40 = 3360/3920
4. Add the two like fractions:
   4410/3920 + 3360/3920 = 4410 + 3360/3920 = 7770/3920
5. 7770/3920 simplified gives 111/56
6. So, 90/80 + 84/98 = 111/56
   In mixed form: 155/56

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