Subtract 4/9 from 20/50
20/50 - 4/9 is -2/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 9 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 50 × 9 = 450,
20/50 = 20 × 9/50 × 9 = 180/450 - Likewise, for the 2nd fraction, since 9 × 50 = 450,
4/9 = 4 × 50/9 × 50 = 200/450 - Subtract the two like fractions:
180/450 - 200/450 = 180 - 200/450 = -20/450 - After reducing the fraction, the answer is -2/45
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