Answers

Subtract 90/84 from 56/5

1^st number: 11 1/5, 2^nd number: 1 6/84

56/5 - 90/84 is 709/70.

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,
   56/5 = 56 × 84/5 × 84 = 4704/420
3. Likewise, for the 2nd fraction, since 84 × 5 = 420,
   90/84 = 90 × 5/84 × 5 = 450/420
4. Subtract the two like fractions:
   4704/420 - 450/420 = 4704 - 450/420 = 4254/420
5. After reducing the fraction, the answer is 709/70
6. In mixed form: 109/70

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