Subtract 84/90 from 20/3
1st number: 6 2/3, 2nd number: 84/90
20/3 - 84/90 is 86/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 3 × 30 = 90,
20/3 = 20 × 30/3 × 30 = 600/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
84/90 = 84 × 1/90 × 1 = 84/90 - Subtract the two like fractions:
600/90 - 84/90 = 600 - 84/90 = 516/90 - After reducing the fraction, the answer is 86/15
- In mixed form: 511/15
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