Answers

Subtract 4/5 from 81/70

1^st number: 1 11/70, 2^nd number: 4/5

81/70 - 4/5 is 5/14.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 70 and 5 is 70
   
   Next, find the equivalent fraction of both fractional numbers with denominator 70
2. For the 1st fraction, since 70 × 1 = 70,
   81/70 = 81 × 1/70 × 1 = 81/70
3. Likewise, for the 2nd fraction, since 5 × 14 = 70,
   4/5 = 4 × 14/5 × 14 = 56/70
4. Subtract the two like fractions:
   81/70 - 56/70 = 81 - 56/70 = 25/70
5. After reducing the fraction, the answer is 5/14

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