Answers

Add 75/12 and 45/80

1^st number: 6 3/12, 2^nd number: 45/80

75/12 + 45/80 is 109/16.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 12 and 80 is 240
   
   Next, find the equivalent fraction of both fractional numbers with denominator 240
2. For the 1st fraction, since 12 × 20 = 240,
   75/12 = 75 × 20/12 × 20 = 1500/240
3. Likewise, for the 2nd fraction, since 80 × 3 = 240,
   45/80 = 45 × 3/80 × 3 = 135/240
4. Add the two like fractions:
   1500/240 + 135/240 = 1500 + 135/240 = 1635/240
5. 1635/240 simplified gives 109/16
6. So, 75/12 + 45/80 = 109/16
   In mixed form: 613/16

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