Subtract 3/81 from 20/14
1st number: 1 6/14, 2nd number: 3/81
20/14 - 3/81 is 263/189.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 81 is 1134
Next, find the equivalent fraction of both fractional numbers with denominator 1134 - For the 1st fraction, since 14 × 81 = 1134,
20/14 = 20 × 81/14 × 81 = 1620/1134 - Likewise, for the 2nd fraction, since 81 × 14 = 1134,
3/81 = 3 × 14/81 × 14 = 42/1134 - Subtract the two like fractions:
1620/1134 - 42/1134 = 1620 - 42/1134 = 1578/1134 - After reducing the fraction, the answer is 263/189
- In mixed form: 174/189
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