Answers

Subtract 56/36 from 15/90

1^st number: 15/90, 2^nd number: 1 20/36

15/90 - 56/36 is -25/18.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 90 and 36 is 180
   
   Next, find the equivalent fraction of both fractional numbers with denominator 180
2. For the 1st fraction, since 90 × 2 = 180,
   15/90 = 15 × 2/90 × 2 = 30/180
3. Likewise, for the 2nd fraction, since 36 × 5 = 180,
   56/36 = 56 × 5/36 × 5 = 280/180
4. Subtract the two like fractions:
   30/180 - 280/180 = 30 - 280/180 = -250/180
5. After reducing the fraction, the answer is -25/18

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