Answers

Add 84/20 and 54/98

1^st number: 4 4/20, 2^nd number: 54/98

84/20 + 54/98 is 1164/245.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 98 is 980
   
   Next, find the equivalent fraction of both fractional numbers with denominator 980
2. For the 1st fraction, since 20 × 49 = 980,
   84/20 = 84 × 49/20 × 49 = 4116/980
3. Likewise, for the 2nd fraction, since 98 × 10 = 980,
   54/98 = 54 × 10/98 × 10 = 540/980
4. Add the two like fractions:
   4116/980 + 540/980 = 4116 + 540/980 = 4656/980
5. 4656/980 simplified gives 1164/245
6. So, 84/20 + 54/98 = 1164/245
   In mixed form: 4184/245

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