Answers

Subtract 63/80 from 54/36

1^st number: 1 18/36, 2^nd number: 63/80

54/36 - 63/80 is 57/80.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 36 and 80 is 720
   
   Next, find the equivalent fraction of both fractional numbers with denominator 720
2. For the 1st fraction, since 36 × 20 = 720,
   54/36 = 54 × 20/36 × 20 = 1080/720
3. Likewise, for the 2nd fraction, since 80 × 9 = 720,
   63/80 = 63 × 9/80 × 9 = 567/720
4. Subtract the two like fractions:
   1080/720 - 567/720 = 1080 - 567/720 = 513/720
5. After reducing the fraction, the answer is 57/80

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