Subtract 50/75 from 28/56, Solve 28/56

Subtract 50/75 from 28/56

28/56 - 50/75 is -1/6.

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,
28/56 = 28 × 75/56 × 75 = 2100/4200
Likewise, for the 2nd fraction, since 75 × 56 = 4200,
50/75 = 50 × 56/75 × 56 = 2800/4200
Subtract the two like fractions:
2100/4200 - 2800/4200 = 2100 - 2800/4200 = -700/4200
After reducing the fraction, the answer is -1/6

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