Answers

Subtract 15/54 from 1/72

1/72 - 15/54 is -19/72.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 72 and 54 is 216
   
   Next, find the equivalent fraction of both fractional numbers with denominator 216
2. For the 1st fraction, since 72 × 3 = 216,
   1/72 = 1 × 3/72 × 3 = 3/216
3. Likewise, for the 2nd fraction, since 54 × 4 = 216,
   15/54 = 15 × 4/54 × 4 = 60/216
4. Subtract the two like fractions:
   3/216 - 60/216 = 3 - 60/216 = -57/216
5. After reducing the fraction, the answer is -19/72

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