Answers

Subtract 72/36 from 2/80

1^st number: 2/80, 2^nd number: 2 0/36

2/80 - 72/36 is -79/40.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 80 and 36 is 720
   
   Next, find the equivalent fraction of both fractional numbers with denominator 720
2. For the 1st fraction, since 80 × 9 = 720,
   2/80 = 2 × 9/80 × 9 = 18/720
3. Likewise, for the 2nd fraction, since 36 × 20 = 720,
   72/36 = 72 × 20/36 × 20 = 1440/720
4. Subtract the two like fractions:
   18/720 - 1440/720 = 18 - 1440/720 = -1422/720
5. After reducing the fraction, the answer is -79/40

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