Answers

Subtract 6/70 from 81/63

1^st number: 1 18/63, 2^nd number: 6/70

81/63 - 6/70 is 6/5.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 70 is 630
   
   Next, find the equivalent fraction of both fractional numbers with denominator 630
2. For the 1st fraction, since 63 × 10 = 630,
   81/63 = 81 × 10/63 × 10 = 810/630
3. Likewise, for the 2nd fraction, since 70 × 9 = 630,
   6/70 = 6 × 9/70 × 9 = 54/630
4. Subtract the two like fractions:
   810/630 - 54/630 = 810 - 54/630 = 756/630
5. After reducing the fraction, the answer is 6/5
6. In mixed form: 11/5

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