Answers

Subtract 30/84 from 70/42

1^st number: 1 28/42, 2^nd number: 30/84

70/42 - 30/84 is 55/42.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 84 is 84
   
   Next, find the equivalent fraction of both fractional numbers with denominator 84
2. For the 1st fraction, since 42 × 2 = 84,
   70/42 = 70 × 2/42 × 2 = 140/84
3. Likewise, for the 2nd fraction, since 84 × 1 = 84,
   30/84 = 30 × 1/84 × 1 = 30/84
4. Subtract the two like fractions:
   140/84 - 30/84 = 140 - 30/84 = 110/84
5. After reducing the fraction, the answer is 55/42
6. In mixed form: 113/42

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