Answers

Add 18/63 and 36/49

18/63 + 36/49 is 50/49.

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,
   18/63 = 18 × 7/63 × 7 = 126/441
3. Likewise, for the 2nd fraction, since 49 × 9 = 441,
   36/49 = 36 × 9/49 × 9 = 324/441
4. Add the two like fractions:
   126/441 + 324/441 = 126 + 324/441 = 450/441
5. 450/441 simplified gives 50/49
6. So, 18/63 + 36/49 = 50/49
   In mixed form: 11/49

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