Answers

Subtract 80/7 from 15/84

1^st number: 15/84, 2^nd number: 11 3/7

15/84 - 80/7 is -45/4.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 7 is 84
   
   Next, find the equivalent fraction of both fractional numbers with denominator 84
2. For the 1st fraction, since 84 × 1 = 84,
   15/84 = 15 × 1/84 × 1 = 15/84
3. Likewise, for the 2nd fraction, since 7 × 12 = 84,
   80/7 = 80 × 12/7 × 12 = 960/84
4. Subtract the two like fractions:
   15/84 - 960/84 = 15 - 960/84 = -945/84
5. After reducing the fraction, the answer is -45/4

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