Answers

Add 12/63 and 4/49

12/63 + 4/49 is 40/147.

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,
   12/63 = 12 × 7/63 × 7 = 84/441
3. Likewise, for the 2nd fraction, since 49 × 9 = 441,
   4/49 = 4 × 9/49 × 9 = 36/441
4. Add the two like fractions:
   84/441 + 36/441 = 84 + 36/441 = 120/441
5. 120/441 simplified gives 40/147
6. So, 12/63 + 4/49 = 40/147

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