Answers

Add 15/84 and 7/14

15/84 + 7/14 is 19/28.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 14 is 84
   
   Next, find the equivalent fraction of both fractional numbers with denominator 84
2. For the 1st fraction, since 84 × 1 = 84,
   15/84 = 15 × 1/84 × 1 = 15/84
3. Likewise, for the 2nd fraction, since 14 × 6 = 84,
   7/14 = 7 × 6/14 × 6 = 42/84
4. Add the two like fractions:
   15/84 + 42/84 = 15 + 42/84 = 57/84
5. 57/84 simplified gives 19/28
6. So, 15/84 + 7/14 = 19/28

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