Answers

Subtract 3/84 from 15/28

15/28 - 3/84 is 1/2.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 28 and 84 is 84
   
   Next, find the equivalent fraction of both fractional numbers with denominator 84
2. For the 1st fraction, since 28 × 3 = 84,
   15/28 = 15 × 3/28 × 3 = 45/84
3. Likewise, for the 2nd fraction, since 84 × 1 = 84,
   3/84 = 3 × 1/84 × 1 = 3/84
4. Subtract the two like fractions:
   45/84 - 3/84 = 45 - 3/84 = 42/84
5. After reducing the fraction, the answer is 1/2

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