Subtract 20/36 from 20/50
20/50 - 20/36 is -7/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 36 is 900
Next, find the equivalent fraction of both fractional numbers with denominator 900 - For the 1st fraction, since 50 × 18 = 900,
20/50 = 20 × 18/50 × 18 = 360/900 - Likewise, for the 2nd fraction, since 36 × 25 = 900,
20/36 = 20 × 25/36 × 25 = 500/900 - Subtract the two like fractions:
360/900 - 500/900 = 360 - 500/900 = -140/900 - After reducing the fraction, the answer is -7/45
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