Answers

Subtract 49/12 from 7/21

1^st number: 7/21, 2^nd number: 4 1/12

7/21 - 49/12 is -15/4.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 21 and 12 is 84
   
   Next, find the equivalent fraction of both fractional numbers with denominator 84
2. For the 1st fraction, since 21 × 4 = 84,
   7/21 = 7 × 4/21 × 4 = 28/84
3. Likewise, for the 2nd fraction, since 12 × 7 = 84,
   49/12 = 49 × 7/12 × 7 = 343/84
4. Subtract the two like fractions:
   28/84 - 343/84 = 28 - 343/84 = -315/84
5. After reducing the fraction, the answer is -15/4

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