Answers

Subtract 9/35 from 63/72

63/72 - 9/35 is 173/280.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 72 and 35 is 2520
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2520
2. For the 1st fraction, since 72 × 35 = 2520,
   63/72 = 63 × 35/72 × 35 = 2205/2520
3. Likewise, for the 2nd fraction, since 35 × 72 = 2520,
   9/35 = 9 × 72/35 × 72 = 648/2520
4. Subtract the two like fractions:
   2205/2520 - 648/2520 = 2205 - 648/2520 = 1557/2520
5. After reducing the fraction, the answer is 173/280

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