Answers

Add 90/98 and 60/40

1^st number: 90/98, 2^nd number: 1 20/40

90/98 + 60/40 is 237/98.

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,
   90/98 = 90 × 20/98 × 20 = 1800/1960
3. Likewise, for the 2nd fraction, since 40 × 49 = 1960,
   60/40 = 60 × 49/40 × 49 = 2940/1960
4. Add the two like fractions:
   1800/1960 + 2940/1960 = 1800 + 2940/1960 = 4740/1960
5. 4740/1960 simplified gives 237/98
6. So, 90/98 + 60/40 = 237/98
   In mixed form: 241/98

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