Answers

Add 6/21 and 15/49

6/21 + 15/49 is 29/49.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 21 and 49 is 147
   
   Next, find the equivalent fraction of both fractional numbers with denominator 147
2. For the 1st fraction, since 21 × 7 = 147,
   6/21 = 6 × 7/21 × 7 = 42/147
3. Likewise, for the 2nd fraction, since 49 × 3 = 147,
   15/49 = 15 × 3/49 × 3 = 45/147
4. Add the two like fractions:
   42/147 + 45/147 = 42 + 45/147 = 87/147
5. 87/147 simplified gives 29/49
6. So, 6/21 + 15/49 = 29/49

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