Subtract 40/80 from 20/18
1st number: 1 2/18, 2nd number: 40/80
20/18 - 40/80 is 11/18.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 80 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 18 × 40 = 720,
20/18 = 20 × 40/18 × 40 = 800/720 - Likewise, for the 2nd fraction, since 80 × 9 = 720,
40/80 = 40 × 9/80 × 9 = 360/720 - Subtract the two like fractions:
800/720 - 360/720 = 800 - 360/720 = 440/720 - After reducing the fraction, the answer is 11/18
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