Answers

Add 12/98 and 60/40

1^st number: 12/98, 2^nd number: 1 20/40

12/98 + 60/40 is 159/98.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 98 and 40 is 1960
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1960
2. For the 1st fraction, since 98 × 20 = 1960,
   12/98 = 12 × 20/98 × 20 = 240/1960
3. Likewise, for the 2nd fraction, since 40 × 49 = 1960,
   60/40 = 60 × 49/40 × 49 = 2940/1960
4. Add the two like fractions:
   240/1960 + 2940/1960 = 240 + 2940/1960 = 3180/1960
5. 3180/1960 simplified gives 159/98
6. So, 12/98 + 60/40 = 159/98
   In mixed form: 161/98

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