Subtract 20/45 from 4/50
4/50 - 20/45 is -82/225.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 45 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 50 × 9 = 450,
4/50 = 4 × 9/50 × 9 = 36/450 - Likewise, for the 2nd fraction, since 45 × 10 = 450,
20/45 = 20 × 10/45 × 10 = 200/450 - Subtract the two like fractions:
36/450 - 200/450 = 36 - 200/450 = -164/450 - After reducing the fraction, the answer is -82/225
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