Answers

Add 54/63 and 12/36

54/63 + 12/36 is 25/21.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 36 is 252
   
   Next, find the equivalent fraction of both fractional numbers with denominator 252
2. For the 1st fraction, since 63 × 4 = 252,
   54/63 = 54 × 4/63 × 4 = 216/252
3. Likewise, for the 2nd fraction, since 36 × 7 = 252,
   12/36 = 12 × 7/36 × 7 = 84/252
4. Add the two like fractions:
   216/252 + 84/252 = 216 + 84/252 = 300/252
5. 300/252 simplified gives 25/21
6. So, 54/63 + 12/36 = 25/21
   In mixed form: 14/21

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