Answers

Subtract 80/70 from 50/54

1^st number: 50/54, 2^nd number: 1 10/70

50/54 - 80/70 is -41/189.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 54 and 70 is 1890
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1890
2. For the 1st fraction, since 54 × 35 = 1890,
   50/54 = 50 × 35/54 × 35 = 1750/1890
3. Likewise, for the 2nd fraction, since 70 × 27 = 1890,
   80/70 = 80 × 27/70 × 27 = 2160/1890
4. Subtract the two like fractions:
   1750/1890 - 2160/1890 = 1750 - 2160/1890 = -410/1890
5. After reducing the fraction, the answer is -41/189

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