Answers

Subtract 75/56 from 56/90

1^st number: 56/90, 2^nd number: 1 19/56

56/90 - 75/56 is -1807/2520.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 90 and 56 is 2520
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2520
2. For the 1st fraction, since 90 × 28 = 2520,
   56/90 = 56 × 28/90 × 28 = 1568/2520
3. Likewise, for the 2nd fraction, since 56 × 45 = 2520,
   75/56 = 75 × 45/56 × 45 = 3375/2520
4. Subtract the two like fractions:
   1568/2520 - 3375/2520 = 1568 - 3375/2520 = -1807/2520

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