Subtract 20/30 from 84/27
1st number: 3 3/27, 2nd number: 20/30
84/27 - 20/30 is 22/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 30 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 27 × 10 = 270,
84/27 = 84 × 10/27 × 10 = 840/270 - Likewise, for the 2nd fraction, since 30 × 9 = 270,
20/30 = 20 × 9/30 × 9 = 180/270 - Subtract the two like fractions:
840/270 - 180/270 = 840 - 180/270 = 660/270 - After reducing the fraction, the answer is 22/9
- In mixed form: 24/9
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