Subtract 27/54 from 12/35
12/35 - 27/54 is -11/70.
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,
12/35 = 12 × 54/35 × 54 = 648/1890 - Likewise, for the 2nd fraction, since 54 × 35 = 1890,
27/54 = 27 × 35/54 × 35 = 945/1890 - Subtract the two like fractions:
648/1890 - 945/1890 = 648 - 945/1890 = -297/1890 - After reducing the fraction, the answer is -11/70
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