Answers

Subtract 4/21 from 45/84

45/84 - 4/21 is 29/84.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 21 is 84
   
   Next, find the equivalent fraction of both fractional numbers with denominator 84
2. For the 1st fraction, since 84 × 1 = 84,
   45/84 = 45 × 1/84 × 1 = 45/84
3. Likewise, for the 2nd fraction, since 21 × 4 = 84,
   4/21 = 4 × 4/21 × 4 = 16/84
4. Subtract the two like fractions:
   45/84 - 16/84 = 45 - 16/84 = 29/84

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