Subtract 45/75 from 54/56, Solve 54/56

Subtract 45/75 from 54/56

54/56 - 45/75 is 51/140.

Find the least common denominator or LCM of the two denominators:
LCM of 56 and 75 is 4200

Next, find the equivalent fraction of both fractional numbers with denominator 4200
For the 1st fraction, since 56 × 75 = 4200,
54/56 = 54 × 75/56 × 75 = 4050/4200
Likewise, for the 2nd fraction, since 75 × 56 = 4200,
45/75 = 45 × 56/75 × 56 = 2520/4200
Subtract the two like fractions:
4050/4200 - 2520/4200 = 4050 - 2520/4200 = 1530/4200
After reducing the fraction, the answer is 51/140

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