Subtract 27/70 from 72/9, Solve 8 0/9

Subtract 27/70 from 72/9

1^st number: 8 0/9, 2^nd number: 27/70

72/9 - 27/70 is 533/70.

Find the least common denominator or LCM of the two denominators:
LCM of 9 and 70 is 630

Next, find the equivalent fraction of both fractional numbers with denominator 630
For the 1st fraction, since 9 × 70 = 630,
72/9 = 72 × 70/9 × 70 = 5040/630
Likewise, for the 2nd fraction, since 70 × 9 = 630,
27/70 = 27 × 9/70 × 9 = 243/630
Subtract the two like fractions:
5040/630 - 243/630 = 5040 - 243/630 = 4797/630
After reducing the fraction, the answer is 533/70
In mixed form: 743/70

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