Subtract 30/27 from 70/7, Solve 10 0/7

Subtract 30/27 from 70/7

1^st number: 10 0/7, 2^nd number: 1 3/27

70/7 - 30/27 is 80/9.

Find the least common denominator or LCM of the two denominators:
LCM of 7 and 27 is 189

Next, find the equivalent fraction of both fractional numbers with denominator 189
For the 1st fraction, since 7 × 27 = 189,
70/7 = 70 × 27/7 × 27 = 1890/189
Likewise, for the 2nd fraction, since 27 × 7 = 189,
30/27 = 30 × 7/27 × 7 = 210/189
Subtract the two like fractions:
1890/189 - 210/189 = 1890 - 210/189 = 1680/189
After reducing the fraction, the answer is 80/9
In mixed form: 88/9

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