Answers

Subtract 75/8 from 45/70

1^st number: 45/70, 2^nd number: 9 3/8

45/70 - 75/8 is -489/56.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 70 and 8 is 280
   
   Next, find the equivalent fraction of both fractional numbers with denominator 280
2. For the 1st fraction, since 70 × 4 = 280,
   45/70 = 45 × 4/70 × 4 = 180/280
3. Likewise, for the 2nd fraction, since 8 × 35 = 280,
   75/8 = 75 × 35/8 × 35 = 2625/280
4. Subtract the two like fractions:
   180/280 - 2625/280 = 180 - 2625/280 = -2445/280
5. After reducing the fraction, the answer is -489/56

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