Answers

Subtract 63/14 from 45/72

1^st number: 45/72, 2^nd number: 4 7/14

45/72 - 63/14 is -31/8.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 72 and 14 is 504
   
   Next, find the equivalent fraction of both fractional numbers with denominator 504
2. For the 1st fraction, since 72 × 7 = 504,
   45/72 = 45 × 7/72 × 7 = 315/504
3. Likewise, for the 2nd fraction, since 14 × 36 = 504,
   63/14 = 63 × 36/14 × 36 = 2268/504
4. Subtract the two like fractions:
   315/504 - 2268/504 = 315 - 2268/504 = -1953/504
5. After reducing the fraction, the answer is -31/8

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