Answers

Subtract 45/84 from 42/14

1^st number: 3 0/14, 2^nd number: 45/84

42/14 - 45/84 is 69/28.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 14 and 84 is 84
   
   Next, find the equivalent fraction of both fractional numbers with denominator 84
2. For the 1st fraction, since 14 × 6 = 84,
   42/14 = 42 × 6/14 × 6 = 252/84
3. Likewise, for the 2nd fraction, since 84 × 1 = 84,
   45/84 = 45 × 1/84 × 1 = 45/84
4. Subtract the two like fractions:
   252/84 - 45/84 = 252 - 45/84 = 207/84
5. After reducing the fraction, the answer is 69/28
6. In mixed form: 213/28

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