Subtract 20/9 from 84/18
1st number: 4 12/18, 2nd number: 2 2/9
84/18 - 20/9 is 22/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 9 is 18
Next, find the equivalent fraction of both fractional numbers with denominator 18 - For the 1st fraction, since 18 × 1 = 18,
84/18 = 84 × 1/18 × 1 = 84/18 - Likewise, for the 2nd fraction, since 9 × 2 = 18,
20/9 = 20 × 2/9 × 2 = 40/18 - Subtract the two like fractions:
84/18 - 40/18 = 84 - 40/18 = 44/18 - After reducing the fraction, the answer is 22/9
- In mixed form: 24/9
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