Answers

Add 12/15 and 8/42

12/15 + 8/42 is 104/105.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 15 and 42 is 210
2. For the 1st fraction, since 15 × 14 = 210,
   12/15 = 12 × 14/15 × 14 = 168/210
3. Likewise, for the 2nd fraction, since 42 × 5 = 210,
   8/42 = 8 × 5/42 × 5 = 40/210
4. Add the two fractions:
   168/210 + 40/210 = 168 + 40/210 = 208/210
5. After reducing the fraction, the answer is 104/105

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