Answers

Subtract 36/80 from 84/2

1^st number: 42 0/2, 2^nd number: 36/80

84/2 - 36/80 is 831/20.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 2 and 80 is 80
   
   Next, find the equivalent fraction of both fractional numbers with denominator 80
2. For the 1st fraction, since 2 × 40 = 80,
   84/2 = 84 × 40/2 × 40 = 3360/80
3. Likewise, for the 2nd fraction, since 80 × 1 = 80,
   36/80 = 36 × 1/80 × 1 = 36/80
4. Subtract the two like fractions:
   3360/80 - 36/80 = 3360 - 36/80 = 3324/80
5. After reducing the fraction, the answer is 831/20
6. In mixed form: 4111/20

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