Subtract 28/35 from 28/54
28/54 - 28/35 is -38/135.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 35 is 1890
Next, find the equivalent fraction of both fractional numbers with denominator 1890 - For the 1st fraction, since 54 × 35 = 1890,
28/54 = 28 × 35/54 × 35 = 980/1890 - Likewise, for the 2nd fraction, since 35 × 54 = 1890,
28/35 = 28 × 54/35 × 54 = 1512/1890 - Subtract the two like fractions:
980/1890 - 1512/1890 = 980 - 1512/1890 = -532/1890 - After reducing the fraction, the answer is -38/135
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