Answers

Subtract 8/75 from 21/20

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

21/20 - 8/75 is 283/300.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 75 is 300
   
   Next, find the equivalent fraction of both fractional numbers with denominator 300
2. For the 1st fraction, since 20 × 15 = 300,
   21/20 = 21 × 15/20 × 15 = 315/300
3. Likewise, for the 2nd fraction, since 75 × 4 = 300,
   8/75 = 8 × 4/75 × 4 = 32/300
4. Subtract the two like fractions:
   315/300 - 32/300 = 315 - 32/300 = 283/300

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