Answers

Add 54/63 and 18/49

54/63 + 18/49 is 60/49.

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,
   54/63 = 54 × 7/63 × 7 = 378/441
3. Likewise, for the 2nd fraction, since 49 × 9 = 441,
   18/49 = 18 × 9/49 × 9 = 162/441
4. Add the two like fractions:
   378/441 + 162/441 = 378 + 162/441 = 540/441
5. 540/441 simplified gives 60/49
6. So, 54/63 + 18/49 = 60/49
   In mixed form: 111/49

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