Answers

Subtract 15/3 from 7/28

1^st number: 7/28, 2^nd number: 5 0/3

7/28 - 15/3 is -19/4.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 28 and 3 is 84
   
   Next, find the equivalent fraction of both fractional numbers with denominator 84
2. For the 1st fraction, since 28 × 3 = 84,
   7/28 = 7 × 3/28 × 3 = 21/84
3. Likewise, for the 2nd fraction, since 3 × 28 = 84,
   15/3 = 15 × 28/3 × 28 = 420/84
4. Subtract the two like fractions:
   21/84 - 420/84 = 21 - 420/84 = -399/84
5. After reducing the fraction, the answer is -19/4

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