Answers

Subtract 20/56 from 90/75

1^st number: 1 15/75, 2^nd number: 20/56

90/75 - 20/56 is 59/70.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 75 and 56 is 4200
   
   Next, find the equivalent fraction of both fractional numbers with denominator 4200
2. For the 1st fraction, since 75 × 56 = 4200,
   90/75 = 90 × 56/75 × 56 = 5040/4200
3. Likewise, for the 2nd fraction, since 56 × 75 = 4200,
   20/56 = 20 × 75/56 × 75 = 1500/4200
4. Subtract the two like fractions:
   5040/4200 - 1500/4200 = 5040 - 1500/4200 = 3540/4200
5. After reducing the fraction, the answer is 59/70

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