Answers

Subtract 63/4 from 7/72

1^st number: 7/72, 2^nd number: 15 3/4

7/72 - 63/4 is -1127/72.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 72 and 4 is 72
   
   Next, find the equivalent fraction of both fractional numbers with denominator 72
2. For the 1st fraction, since 72 × 1 = 72,
   7/72 = 7 × 1/72 × 1 = 7/72
3. Likewise, for the 2nd fraction, since 4 × 18 = 72,
   63/4 = 63 × 18/4 × 18 = 1134/72
4. Subtract the two like fractions:
   7/72 - 1134/72 = 7 - 1134/72 = -1127/72

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