Subtract 16/54 from 30/70
30/70 - 16/54 is 25/189.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 54 is 1890
Next, find the equivalent fraction of both fractional numbers with denominator 1890 - For the 1st fraction, since 70 × 27 = 1890,
30/70 = 30 × 27/70 × 27 = 810/1890 - Likewise, for the 2nd fraction, since 54 × 35 = 1890,
16/54 = 16 × 35/54 × 35 = 560/1890 - Subtract the two like fractions:
810/1890 - 560/1890 = 810 - 560/1890 = 250/1890 - After reducing the fraction, the answer is 25/189
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