Answers

Subtract 54/35 from 54/72

1^st number: 54/72, 2^nd number: 1 19/35

54/72 - 54/35 is -111/140.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 72 and 35 is 2520
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2520
2. For the 1st fraction, since 72 × 35 = 2520,
   54/72 = 54 × 35/72 × 35 = 1890/2520
3. Likewise, for the 2nd fraction, since 35 × 72 = 2520,
   54/35 = 54 × 72/35 × 72 = 3888/2520
4. Subtract the two like fractions:
   1890/2520 - 3888/2520 = 1890 - 3888/2520 = -1998/2520
5. After reducing the fraction, the answer is -111/140

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