Answers

Add 7/18 and 54/63

7/18 + 54/63 is 157/126.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 18 and 63 is 126
   
   Next, find the equivalent fraction of both fractional numbers with denominator 126
2. For the 1st fraction, since 18 × 7 = 126,
   7/18 = 7 × 7/18 × 7 = 49/126
3. Likewise, for the 2nd fraction, since 63 × 2 = 126,
   54/63 = 54 × 2/63 × 2 = 108/126
4. Add the two like fractions:
   49/126 + 108/126 = 49 + 108/126 = 157/126
5. So, 7/18 + 54/63 = 157/126
   In mixed form: 131/126

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