Answers

Subtract 64/40 from 20/36

1^st number: 20/36, 2^nd number: 1 24/40

20/36 - 64/40 is -47/45.

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,
   20/36 = 20 × 10/36 × 10 = 200/360
3. Likewise, for the 2nd fraction, since 40 × 9 = 360,
   64/40 = 64 × 9/40 × 9 = 576/360
4. Subtract the two like fractions:
   200/360 - 576/360 = 200 - 576/360 = -376/360
5. After reducing the fraction, the answer is -47/45

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