Answers

Add 3/63 and 4/49

3/63 + 4/49 is 19/147.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 49 is 441
   
   Next, find the equivalent fraction of both fractional numbers with denominator 441
2. For the 1st fraction, since 63 × 7 = 441,
   3/63 = 3 × 7/63 × 7 = 21/441
3. Likewise, for the 2nd fraction, since 49 × 9 = 441,
   4/49 = 4 × 9/49 × 9 = 36/441
4. Add the two like fractions:
   21/441 + 36/441 = 21 + 36/441 = 57/441
5. 57/441 simplified gives 19/147
6. So, 3/63 + 4/49 = 19/147

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