Answers

Subtract 18/60 from 45/63

45/63 - 18/60 is 29/70.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 60 is 1260
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1260
2. For the 1st fraction, since 63 × 20 = 1260,
   45/63 = 45 × 20/63 × 20 = 900/1260
3. Likewise, for the 2nd fraction, since 60 × 21 = 1260,
   18/60 = 18 × 21/60 × 21 = 378/1260
4. Subtract the two like fractions:
   900/1260 - 378/1260 = 900 - 378/1260 = 522/1260
5. After reducing the fraction, the answer is 29/70

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