Answers

Subtract 8/7 from 84/4

1^st number: 21 0/4, 2^nd number: 1 1/7

84/4 - 8/7 is 139/7.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 4 and 7 is 28
   
   Next, find the equivalent fraction of both fractional numbers with denominator 28
2. For the 1st fraction, since 4 × 7 = 28,
   84/4 = 84 × 7/4 × 7 = 588/28
3. Likewise, for the 2nd fraction, since 7 × 4 = 28,
   8/7 = 8 × 4/7 × 4 = 32/28
4. Subtract the two like fractions:
   588/28 - 32/28 = 588 - 32/28 = 556/28
5. After reducing the fraction, the answer is 139/7
6. In mixed form: 196/7

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