Answers

Add 1/12 and 45/84

1/12 + 45/84 is 13/21.

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,
   1/12 = 1 × 7/12 × 7 = 7/84
3. Likewise, for the 2nd fraction, since 84 × 1 = 84,
   45/84 = 45 × 1/84 × 1 = 45/84
4. Add the two like fractions:
   7/84 + 45/84 = 7 + 45/84 = 52/84
5. 52/84 simplified gives 13/21
6. So, 1/12 + 45/84 = 13/21

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