Answers

Add 45/12 and 60/84

1^st number: 3 9/12, 2^nd number: 60/84

45/12 + 60/84 is 125/28.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 12 and 84 is 84
   
   Next, find the equivalent fraction of both fractional numbers with denominator 84
2. For the 1st fraction, since 12 × 7 = 84,
   45/12 = 45 × 7/12 × 7 = 315/84
3. Likewise, for the 2nd fraction, since 84 × 1 = 84,
   60/84 = 60 × 1/84 × 1 = 60/84
4. Add the two like fractions:
   315/84 + 60/84 = 315 + 60/84 = 375/84
5. 375/84 simplified gives 125/28
6. So, 45/12 + 60/84 = 125/28
   In mixed form: 413/28

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