Answers

Subtract 80/56 from 90/27

1^st number: 3 9/27, 2^nd number: 1 24/56

90/27 - 80/56 is 40/21.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 27 and 56 is 1512
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1512
2. For the 1st fraction, since 27 × 56 = 1512,
   90/27 = 90 × 56/27 × 56 = 5040/1512
3. Likewise, for the 2nd fraction, since 56 × 27 = 1512,
   80/56 = 80 × 27/56 × 27 = 2160/1512
4. Subtract the two like fractions:
   5040/1512 - 2160/1512 = 5040 - 2160/1512 = 2880/1512
5. After reducing the fraction, the answer is 40/21
6. In mixed form: 119/21

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