Answers

Add 80/40 and 7/98

1^st number: 2 0/40, 2^nd number: 7/98

80/40 + 7/98 is 29/14.

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,
   80/40 = 80 × 49/40 × 49 = 3920/1960
3. Likewise, for the 2nd fraction, since 98 × 20 = 1960,
   7/98 = 7 × 20/98 × 20 = 140/1960
4. Add the two like fractions:
   3920/1960 + 140/1960 = 3920 + 140/1960 = 4060/1960
5. 4060/1960 simplified gives 29/14
6. So, 80/40 + 7/98 = 29/14
   In mixed form: 21/14

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