Answers

Subtract 21/56 from 90/54

1^st number: 1 36/54, 2^nd number: 21/56

90/54 - 21/56 is 31/24.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 54 and 56 is 1512
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1512
2. For the 1st fraction, since 54 × 28 = 1512,
   90/54 = 90 × 28/54 × 28 = 2520/1512
3. Likewise, for the 2nd fraction, since 56 × 27 = 1512,
   21/56 = 21 × 27/56 × 27 = 567/1512
4. Subtract the two like fractions:
   2520/1512 - 567/1512 = 2520 - 567/1512 = 1953/1512
5. After reducing the fraction, the answer is 31/24
6. In mixed form: 17/24

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