Answers

Add 84/40 and 18/98

1^st number: 2 4/40, 2^nd number: 18/98

84/40 + 18/98 is 1119/490.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 40 and 98 is 1960
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1960
2. For the 1st fraction, since 40 × 49 = 1960,
   84/40 = 84 × 49/40 × 49 = 4116/1960
3. Likewise, for the 2nd fraction, since 98 × 20 = 1960,
   18/98 = 18 × 20/98 × 20 = 360/1960
4. Add the two like fractions:
   4116/1960 + 360/1960 = 4116 + 360/1960 = 4476/1960
5. 4476/1960 simplified gives 1119/490
6. So, 84/40 + 18/98 = 1119/490
   In mixed form: 2139/490

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