Answers

Subtract 80/60 from 21/75

1^st number: 21/75, 2^nd number: 1 20/60

21/75 - 80/60 is -79/75.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 75 and 60 is 300
   
   Next, find the equivalent fraction of both fractional numbers with denominator 300
2. For the 1st fraction, since 75 × 4 = 300,
   21/75 = 21 × 4/75 × 4 = 84/300
3. Likewise, for the 2nd fraction, since 60 × 5 = 300,
   80/60 = 80 × 5/60 × 5 = 400/300
4. Subtract the two like fractions:
   84/300 - 400/300 = 84 - 400/300 = -316/300
5. After reducing the fraction, the answer is -79/75

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