Subtract 6/70 from 21/9, Solve 2 3/9

Subtract 6/70 from 21/9

1^st number: 2 3/9, 2^nd number: 6/70

21/9 - 6/70 is 236/105.

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,
21/9 = 21 × 70/9 × 70 = 1470/630
Likewise, for the 2nd fraction, since 70 × 9 = 630,
6/70 = 6 × 9/70 × 9 = 54/630
Subtract the two like fractions:
1470/630 - 54/630 = 1470 - 54/630 = 1416/630
After reducing the fraction, the answer is 236/105
In mixed form: 226/105

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