Subtract 45/30 from 9/56, Solve 9/56

Subtract 45/30 from 9/56

1^st number: 9/56, 2^nd number: 1 15/30

9/56 - 45/30 is -75/56.

Find the least common denominator or LCM of the two denominators:
LCM of 56 and 30 is 840

Next, find the equivalent fraction of both fractional numbers with denominator 840
For the 1st fraction, since 56 × 15 = 840,
9/56 = 9 × 15/56 × 15 = 135/840
Likewise, for the 2nd fraction, since 30 × 28 = 840,
45/30 = 45 × 28/30 × 28 = 1260/840
Subtract the two like fractions:
135/840 - 1260/840 = 135 - 1260/840 = -1125/840
After reducing the fraction, the answer is -75/56

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