Answers

Add 75/12 and 60/45

1^st number: 6 3/12, 2^nd number: 1 15/45

75/12 + 60/45 is 91/12.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 12 and 45 is 180
   
   Next, find the equivalent fraction of both fractional numbers with denominator 180
2. For the 1st fraction, since 12 × 15 = 180,
   75/12 = 75 × 15/12 × 15 = 1125/180
3. Likewise, for the 2nd fraction, since 45 × 4 = 180,
   60/45 = 60 × 4/45 × 4 = 240/180
4. Add the two like fractions:
   1125/180 + 240/180 = 1125 + 240/180 = 1365/180
5. 1365/180 simplified gives 91/12
6. So, 75/12 + 60/45 = 91/12
   In mixed form: 77/12

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