Answers

Subtract 4/81 from 90/56

1^st number: 1 34/56, 2^nd number: 4/81

90/56 - 4/81 is 3533/2268.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 56 and 81 is 4536
   
   Next, find the equivalent fraction of both fractional numbers with denominator 4536
2. For the 1st fraction, since 56 × 81 = 4536,
   90/56 = 90 × 81/56 × 81 = 7290/4536
3. Likewise, for the 2nd fraction, since 81 × 56 = 4536,
   4/81 = 4 × 56/81 × 56 = 224/4536
4. Subtract the two like fractions:
   7290/4536 - 224/4536 = 7290 - 224/4536 = 7066/4536
5. After reducing the fraction, the answer is 3533/2268
6. In mixed form: 11265/2268

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