Answers

Subtract 6/63 from 45/70

45/70 - 6/63 is 23/42.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 70 and 63 is 630
   
   Next, find the equivalent fraction of both fractional numbers with denominator 630
2. For the 1st fraction, since 70 × 9 = 630,
   45/70 = 45 × 9/70 × 9 = 405/630
3. Likewise, for the 2nd fraction, since 63 × 10 = 630,
   6/63 = 6 × 10/63 × 10 = 60/630
4. Subtract the two like fractions:
   405/630 - 60/630 = 405 - 60/630 = 345/630
5. After reducing the fraction, the answer is 23/42

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