Answers

Subtract 18/20 from 50/45

1^st number: 1 5/45, 2^nd number: 18/20

50/45 - 18/20 is 19/90.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 45 and 20 is 180
   
   Next, find the equivalent fraction of both fractional numbers with denominator 180
2. For the 1st fraction, since 45 × 4 = 180,
   50/45 = 50 × 4/45 × 4 = 200/180
3. Likewise, for the 2nd fraction, since 20 × 9 = 180,
   18/20 = 18 × 9/20 × 9 = 162/180
4. Subtract the two like fractions:
   200/180 - 162/180 = 200 - 162/180 = 38/180
5. After reducing the fraction, the answer is 19/90

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