Answers

Subtract 1/81 from 70/45

1^st number: 1 25/45, 2^nd number: 1/81

70/45 - 1/81 is 125/81.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 45 and 81 is 405
   
   Next, find the equivalent fraction of both fractional numbers with denominator 405
2. For the 1st fraction, since 45 × 9 = 405,
   70/45 = 70 × 9/45 × 9 = 630/405
3. Likewise, for the 2nd fraction, since 81 × 5 = 405,
   1/81 = 1 × 5/81 × 5 = 5/405
4. Subtract the two like fractions:
   630/405 - 5/405 = 630 - 5/405 = 625/405
5. After reducing the fraction, the answer is 125/81
6. In mixed form: 144/81

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