Answers

Subtract 15/4 from 56/72

1^st number: 56/72, 2^nd number: 3 3/4

56/72 - 15/4 is -107/36.

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,
   56/72 = 56 × 1/72 × 1 = 56/72
3. Likewise, for the 2nd fraction, since 4 × 18 = 72,
   15/4 = 15 × 18/4 × 18 = 270/72
4. Subtract the two like fractions:
   56/72 - 270/72 = 56 - 270/72 = -214/72
5. After reducing the fraction, the answer is -107/36

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