Subtract 20/54 from 15/35
15/35 - 20/54 is 11/189.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 54 is 1890
Next, find the equivalent fraction of both fractional numbers with denominator 1890 - For the 1st fraction, since 35 × 54 = 1890,
15/35 = 15 × 54/35 × 54 = 810/1890 - Likewise, for the 2nd fraction, since 54 × 35 = 1890,
20/54 = 20 × 35/54 × 35 = 700/1890 - Subtract the two like fractions:
810/1890 - 700/1890 = 810 - 700/1890 = 110/1890 - After reducing the fraction, the answer is 11/189
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