Answers

Subtract 2/72 from 1/54

1/54 - 2/72 is -1/108.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 54 and 72 is 216
   
   Next, find the equivalent fraction of both fractional numbers with denominator 216
2. For the 1st fraction, since 54 × 4 = 216,
   1/54 = 1 × 4/54 × 4 = 4/216
3. Likewise, for the 2nd fraction, since 72 × 3 = 216,
   2/72 = 2 × 3/72 × 3 = 6/216
4. Subtract the two like fractions:
   4/216 - 6/216 = 4 - 6/216 = -2/216
5. After reducing the fraction, the answer is -1/108

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