Answers

Add 28/63 and 7/18

28/63 + 7/18 is 5/6.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 18 is 126
   
   Next, find the equivalent fraction of both fractional numbers with denominator 126
2. For the 1st fraction, since 63 × 2 = 126,
   28/63 = 28 × 2/63 × 2 = 56/126
3. Likewise, for the 2nd fraction, since 18 × 7 = 126,
   7/18 = 7 × 7/18 × 7 = 49/126
4. Add the two like fractions:
   56/126 + 49/126 = 56 + 49/126 = 105/126
5. 105/126 simplified gives 5/6
6. So, 28/63 + 7/18 = 5/6

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