Answers

Subtract 8/20 from 24/21

1^st number: 1 3/21, 2^nd number: 8/20

24/21 - 8/20 is 26/35.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 21 and 20 is 420
   
   Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 21 × 20 = 420,
   24/21 = 24 × 20/21 × 20 = 480/420
3. Likewise, for the 2nd fraction, since 20 × 21 = 420,
   8/20 = 8 × 21/20 × 21 = 168/420
4. Subtract the two like fractions:
   480/420 - 168/420 = 480 - 168/420 = 312/420
5. After reducing the fraction, the answer is 26/35

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