Subtract 2/54 from 9/7, Solve 1 2/7

Subtract 2/54 from 9/7

1^st number: 1 2/7, 2^nd number: 2/54

9/7 - 2/54 is 236/189.

Find the least common denominator or LCM of the two denominators:
LCM of 7 and 54 is 378

Next, find the equivalent fraction of both fractional numbers with denominator 378
For the 1st fraction, since 7 × 54 = 378,
9/7 = 9 × 54/7 × 54 = 486/378
Likewise, for the 2nd fraction, since 54 × 7 = 378,
2/54 = 2 × 7/54 × 7 = 14/378
Subtract the two like fractions:
486/378 - 14/378 = 486 - 14/378 = 472/378
After reducing the fraction, the answer is 236/189
In mixed form: 147/189

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