Answers

Subtract 84/45 from 32/21

1^st number: 1 11/21, 2^nd number: 1 39/45

32/21 - 84/45 is -12/35.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 21 and 45 is 315
   
   Next, find the equivalent fraction of both fractional numbers with denominator 315
2. For the 1st fraction, since 21 × 15 = 315,
   32/21 = 32 × 15/21 × 15 = 480/315
3. Likewise, for the 2nd fraction, since 45 × 7 = 315,
   84/45 = 84 × 7/45 × 7 = 588/315
4. Subtract the two like fractions:
   480/315 - 588/315 = 480 - 588/315 = -108/315
5. After reducing the fraction, the answer is -12/35

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