Answers

Add 45/40 and 15/80

1^st number: 1 5/40, 2^nd number: 15/80

45/40 + 15/80 is 21/16.

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,
   45/40 = 45 × 2/40 × 2 = 90/80
3. Likewise, for the 2nd fraction, since 80 × 1 = 80,
   15/80 = 15 × 1/80 × 1 = 15/80
4. Add the two like fractions:
   90/80 + 15/80 = 90 + 15/80 = 105/80
5. 105/80 simplified gives 21/16
6. So, 45/40 + 15/80 = 21/16
   In mixed form: 15/16

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