Answers

Subtract 45/36 from 90/50

1^st number: 1 40/50, 2^nd number: 1 9/36

90/50 - 45/36 is 11/20.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 50 and 36 is 900
   
   Next, find the equivalent fraction of both fractional numbers with denominator 900
2. For the 1st fraction, since 50 × 18 = 900,
   90/50 = 90 × 18/50 × 18 = 1620/900
3. Likewise, for the 2nd fraction, since 36 × 25 = 900,
   45/36 = 45 × 25/36 × 25 = 1125/900
4. Subtract the two like fractions:
   1620/900 - 1125/900 = 1620 - 1125/900 = 495/900
5. After reducing the fraction, the answer is 11/20

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