Answers

Subtract 45/15 from 18/56

1^st number: 18/56, 2^nd number: 3 0/15

18/56 - 45/15 is -75/28.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 56 and 15 is 840
   
   Next, find the equivalent fraction of both fractional numbers with denominator 840
2. For the 1st fraction, since 56 × 15 = 840,
   18/56 = 18 × 15/56 × 15 = 270/840
3. Likewise, for the 2nd fraction, since 15 × 56 = 840,
   45/15 = 45 × 56/15 × 56 = 2520/840
4. Subtract the two like fractions:
   270/840 - 2520/840 = 270 - 2520/840 = -2250/840
5. After reducing the fraction, the answer is -75/28

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