Answers

Subtract 30/7 from 2/84

1^st number: 2/84, 2^nd number: 4 2/7

2/84 - 30/7 is -179/42.

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,
   2/84 = 2 × 1/84 × 1 = 2/84
3. Likewise, for the 2nd fraction, since 7 × 12 = 84,
   30/7 = 30 × 12/7 × 12 = 360/84
4. Subtract the two like fractions:
   2/84 - 360/84 = 2 - 360/84 = -358/84
5. After reducing the fraction, the answer is -179/42

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