Answers

Add 75/40 and 5/80

1^st number: 1 35/40, 2^nd number: 5/80

75/40 + 5/80 is 31/16.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 40 and 80 is 80
   
   Next, find the equivalent fraction of both fractional numbers with denominator 80
2. For the 1st fraction, since 40 × 2 = 80,
   75/40 = 75 × 2/40 × 2 = 150/80
3. Likewise, for the 2nd fraction, since 80 × 1 = 80,
   5/80 = 5 × 1/80 × 1 = 5/80
4. Add the two like fractions:
   150/80 + 5/80 = 150 + 5/80 = 155/80
5. 155/80 simplified gives 31/16
6. So, 75/40 + 5/80 = 31/16
   In mixed form: 115/16

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