Answers

Subtract 56/4 from 42/21

1^st number: 2 0/21, 2^nd number: 14 0/4

42/21 - 56/4 is -12/1.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 21 and 4 is 84
   
   Next, find the equivalent fraction of both fractional numbers with denominator 84
2. For the 1st fraction, since 21 × 4 = 84,
   42/21 = 42 × 4/21 × 4 = 168/84
3. Likewise, for the 2nd fraction, since 4 × 21 = 84,
   56/4 = 56 × 21/4 × 21 = 1176/84
4. Subtract the two like fractions:
   168/84 - 1176/84 = 168 - 1176/84 = -1008/84
5. After reducing the fraction, the answer is -12/1

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