Answers

Add 15/42 and 7/49

15/42 + 7/49 is 1/2.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 49 is 294
   
   Next, find the equivalent fraction of both fractional numbers with denominator 294
2. For the 1st fraction, since 42 × 7 = 294,
   15/42 = 15 × 7/42 × 7 = 105/294
3. Likewise, for the 2nd fraction, since 49 × 6 = 294,
   7/49 = 7 × 6/49 × 6 = 42/294
4. Add the two like fractions:
   105/294 + 42/294 = 105 + 42/294 = 147/294
5. 147/294 simplified gives 1/2
6. So, 15/42 + 7/49 = 1/2

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