Answers

Subtract 8/84 from 7/5

1^st number: 1 2/5, 2^nd number: 8/84

7/5 - 8/84 is 137/105.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 5 and 84 is 420
   
   Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 5 × 84 = 420,
   7/5 = 7 × 84/5 × 84 = 588/420
3. Likewise, for the 2nd fraction, since 84 × 5 = 420,
   8/84 = 8 × 5/84 × 5 = 40/420
4. Subtract the two like fractions:
   588/420 - 40/420 = 588 - 40/420 = 548/420
5. After reducing the fraction, the answer is 137/105
6. In mixed form: 132/105

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