Answers

Subtract 50/90 from 27/18

1^st number: 1 9/18, 2^nd number: 50/90

27/18 - 50/90 is 17/18.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 18 and 90 is 90
   
   Next, find the equivalent fraction of both fractional numbers with denominator 90
2. For the 1st fraction, since 18 × 5 = 90,
   27/18 = 27 × 5/18 × 5 = 135/90
3. Likewise, for the 2nd fraction, since 90 × 1 = 90,
   50/90 = 50 × 1/90 × 1 = 50/90
4. Subtract the two like fractions:
   135/90 - 50/90 = 135 - 50/90 = 85/90
5. After reducing the fraction, the answer is 17/18

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