Answers

Subtract 3/21 from 5/6

5/6 - 3/21 is 29/42.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 6 and 21 is 42
   
   Next, find the equivalent fraction of both fractional numbers with denominator 42
2. For the 1st fraction, since 6 × 7 = 42,
   5/6 = 5 × 7/6 × 7 = 35/42
3. Likewise, for the 2nd fraction, since 21 × 2 = 42,
   3/21 = 3 × 2/21 × 2 = 6/42
4. Subtract the two like fractions:
   35/42 - 6/42 = 35 - 6/42 = 29/42

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