Answers

Subtract 81/40 from 60/36

1^st number: 1 24/36, 2^nd number: 2 1/40

60/36 - 81/40 is -43/120.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 36 and 40 is 360
   
   Next, find the equivalent fraction of both fractional numbers with denominator 360
2. For the 1st fraction, since 36 × 10 = 360,
   60/36 = 60 × 10/36 × 10 = 600/360
3. Likewise, for the 2nd fraction, since 40 × 9 = 360,
   81/40 = 81 × 9/40 × 9 = 729/360
4. Subtract the two like fractions:
   600/360 - 729/360 = 600 - 729/360 = -129/360
5. After reducing the fraction, the answer is -43/120

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