Subtract 1/20 from 84/54
1st number: 1 30/54, 2nd number: 1/20
84/54 - 1/20 is 271/180.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 20 is 540
Next, find the equivalent fraction of both fractional numbers with denominator 540 - For the 1st fraction, since 54 × 10 = 540,
84/54 = 84 × 10/54 × 10 = 840/540 - Likewise, for the 2nd fraction, since 20 × 27 = 540,
1/20 = 1 × 27/20 × 27 = 27/540 - Subtract the two like fractions:
840/540 - 27/540 = 840 - 27/540 = 813/540 - After reducing the fraction, the answer is 271/180
- In mixed form: 191/180
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