Answers

Subtract 80/35 from 30/81

1^st number: 30/81, 2^nd number: 2 10/35

30/81 - 80/35 is -362/189.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 81 and 35 is 2835
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2835
2. For the 1st fraction, since 81 × 35 = 2835,
   30/81 = 30 × 35/81 × 35 = 1050/2835
3. Likewise, for the 2nd fraction, since 35 × 81 = 2835,
   80/35 = 80 × 81/35 × 81 = 6480/2835
4. Subtract the two like fractions:
   1050/2835 - 6480/2835 = 1050 - 6480/2835 = -5430/2835
5. After reducing the fraction, the answer is -362/189

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