Subtract 42/50 from 28/60, Solve 28/60

Subtract 42/50 from 28/60

28/60 - 42/50 is -28/75.

Find the least common denominator or LCM of the two denominators:
LCM of 60 and 50 is 300

Next, find the equivalent fraction of both fractional numbers with denominator 300
For the 1st fraction, since 60 × 5 = 300,
28/60 = 28 × 5/60 × 5 = 140/300
Likewise, for the 2nd fraction, since 50 × 6 = 300,
42/50 = 42 × 6/50 × 6 = 252/300
Subtract the two like fractions:
140/300 - 252/300 = 140 - 252/300 = -112/300
After reducing the fraction, the answer is -28/75

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