Subtract 42/50 from 12/28
12/28 - 42/50 is -72/175.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 50 is 700
Next, find the equivalent fraction of both fractional numbers with denominator 700 - For the 1st fraction, since 28 × 25 = 700,
12/28 = 12 × 25/28 × 25 = 300/700 - Likewise, for the 2nd fraction, since 50 × 14 = 700,
42/50 = 42 × 14/50 × 14 = 588/700 - Subtract the two like fractions:
300/700 - 588/700 = 300 - 588/700 = -288/700 - After reducing the fraction, the answer is -72/175
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