Answers

Subtract 18/6 from 63/72

1^st number: 63/72, 2^nd number: 3 0/6

63/72 - 18/6 is -17/8.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 72 and 6 is 72
   
   Next, find the equivalent fraction of both fractional numbers with denominator 72
2. For the 1st fraction, since 72 × 1 = 72,
   63/72 = 63 × 1/72 × 1 = 63/72
3. Likewise, for the 2nd fraction, since 6 × 12 = 72,
   18/6 = 18 × 12/6 × 12 = 216/72
4. Subtract the two like fractions:
   63/72 - 216/72 = 63 - 216/72 = -153/72
5. After reducing the fraction, the answer is -17/8

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