Answers

Add 18/63 and 4/75

18/63 + 4/75 is 178/525.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 75 is 1575
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1575
2. For the 1st fraction, since 63 × 25 = 1575,
   18/63 = 18 × 25/63 × 25 = 450/1575
3. Likewise, for the 2nd fraction, since 75 × 21 = 1575,
   4/75 = 4 × 21/75 × 21 = 84/1575
4. Add the two like fractions:
   450/1575 + 84/1575 = 450 + 84/1575 = 534/1575
5. 534/1575 simplified gives 178/525
6. So, 18/63 + 4/75 = 178/525

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