Answers

Subtract 70/84 from 84/20

1^st number: 4 4/20, 2^nd number: 70/84

84/20 - 70/84 is 101/30.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 84 is 420
   
   Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 20 × 21 = 420,
   84/20 = 84 × 21/20 × 21 = 1764/420
3. Likewise, for the 2nd fraction, since 84 × 5 = 420,
   70/84 = 70 × 5/84 × 5 = 350/420
4. Subtract the two like fractions:
   1764/420 - 350/420 = 1764 - 350/420 = 1414/420
5. After reducing the fraction, the answer is 101/30
6. In mixed form: 311/30

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