Answers

Add 2/12 and 45/72

2/12 + 45/72 is 19/24.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 12 and 72 is 72
   
   Next, find the equivalent fraction of both fractional numbers with denominator 72
2. For the 1st fraction, since 12 × 6 = 72,
   2/12 = 2 × 6/12 × 6 = 12/72
3. Likewise, for the 2nd fraction, since 72 × 1 = 72,
   45/72 = 45 × 1/72 × 1 = 45/72
4. Add the two like fractions:
   12/72 + 45/72 = 12 + 45/72 = 57/72
5. 57/72 simplified gives 19/24
6. So, 2/12 + 45/72 = 19/24

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