Subtract 30/9 from 9/56, Solve 9/56

Subtract 30/9 from 9/56

1^st number: 9/56, 2^nd number: 3 3/9

9/56 - 30/9 is -533/168.

Find the least common denominator or LCM of the two denominators:
LCM of 56 and 9 is 504

Next, find the equivalent fraction of both fractional numbers with denominator 504
For the 1st fraction, since 56 × 9 = 504,
9/56 = 9 × 9/56 × 9 = 81/504
Likewise, for the 2nd fraction, since 9 × 56 = 504,
30/9 = 30 × 56/9 × 56 = 1680/504
Subtract the two like fractions:
81/504 - 1680/504 = 81 - 1680/504 = -1599/504
After reducing the fraction, the answer is -533/168

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