Answers

Subtract 21/54 from 49/84

49/84 - 21/54 is 7/36.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 54 is 756
   
   Next, find the equivalent fraction of both fractional numbers with denominator 756
2. For the 1st fraction, since 84 × 9 = 756,
   49/84 = 49 × 9/84 × 9 = 441/756
3. Likewise, for the 2nd fraction, since 54 × 14 = 756,
   21/54 = 21 × 14/54 × 14 = 294/756
4. Subtract the two like fractions:
   441/756 - 294/756 = 441 - 294/756 = 147/756
5. After reducing the fraction, the answer is 7/36

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