Subtract 18/54 from 5/35
5/35 - 18/54 is -4/21.
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,
5/35 = 5 × 54/35 × 54 = 270/1890 - Likewise, for the 2nd fraction, since 54 × 35 = 1890,
18/54 = 18 × 35/54 × 35 = 630/1890 - Subtract the two like fractions:
270/1890 - 630/1890 = 270 - 630/1890 = -360/1890 - After reducing the fraction, the answer is -4/21
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