Subtract 49/81 from 84/20
1st number: 4 4/20, 2nd number: 49/81
84/20 - 49/81 is 1456/405.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 81 is 1620
Next, find the equivalent fraction of both fractional numbers with denominator 1620 - For the 1st fraction, since 20 × 81 = 1620,
84/20 = 84 × 81/20 × 81 = 6804/1620 - Likewise, for the 2nd fraction, since 81 × 20 = 1620,
49/81 = 49 × 20/81 × 20 = 980/1620 - Subtract the two like fractions:
6804/1620 - 980/1620 = 6804 - 980/1620 = 5824/1620 - After reducing the fraction, the answer is 1456/405
- In mixed form: 3241/405
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