Subtract 20/90 from 8/16
8/16 - 20/90 is 5/18.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 90 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 16 × 45 = 720,
8/16 = 8 × 45/16 × 45 = 360/720 - Likewise, for the 2nd fraction, since 90 × 8 = 720,
20/90 = 20 × 8/90 × 8 = 160/720 - Subtract the two like fractions:
360/720 - 160/720 = 360 - 160/720 = 200/720 - After reducing the fraction, the answer is 5/18
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