Subtract 28/30 from 30/50
30/50 - 28/30 is -1/3.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 30 is 150
Next, find the equivalent fraction of both fractional numbers with denominator 150 - For the 1st fraction, since 50 × 3 = 150,
30/50 = 30 × 3/50 × 3 = 90/150 - Likewise, for the 2nd fraction, since 30 × 5 = 150,
28/30 = 28 × 5/30 × 5 = 140/150 - Subtract the two like fractions:
90/150 - 140/150 = 90 - 140/150 = -50/150 - After reducing the fraction, the answer is -1/3
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