Subtract 42/50 from 28/75
28/75 - 42/50 is -7/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 50 is 150
Next, find the equivalent fraction of both fractional numbers with denominator 150 - For the 1st fraction, since 75 × 2 = 150,
28/75 = 28 × 2/75 × 2 = 56/150 - Likewise, for the 2nd fraction, since 50 × 3 = 150,
42/50 = 42 × 3/50 × 3 = 126/150 - Subtract the two like fractions:
56/150 - 126/150 = 56 - 126/150 = -70/150 - After reducing the fraction, the answer is -7/15
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