Answers

Subtract 28/20 from 84/75

1^st number: 1 9/75, 2^nd number: 1 8/20

84/75 - 28/20 is -7/25.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 75 and 20 is 300
   
   Next, find the equivalent fraction of both fractional numbers with denominator 300
2. For the 1st fraction, since 75 × 4 = 300,
   84/75 = 84 × 4/75 × 4 = 336/300
3. Likewise, for the 2nd fraction, since 20 × 15 = 300,
   28/20 = 28 × 15/20 × 15 = 420/300
4. Subtract the two like fractions:
   336/300 - 420/300 = 336 - 420/300 = -84/300
5. After reducing the fraction, the answer is -7/25

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