Answers

Subtract 27/20 from 63/36

1^st number: 1 27/36, 2^nd number: 1 7/20

63/36 - 27/20 is 2/5.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 36 and 20 is 180
   
   Next, find the equivalent fraction of both fractional numbers with denominator 180
2. For the 1st fraction, since 36 × 5 = 180,
   63/36 = 63 × 5/36 × 5 = 315/180
3. Likewise, for the 2nd fraction, since 20 × 9 = 180,
   27/20 = 27 × 9/20 × 9 = 243/180
4. Subtract the two like fractions:
   315/180 - 243/180 = 315 - 243/180 = 72/180
5. After reducing the fraction, the answer is 2/5

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