Subtract 30/70 from 5/54
5/54 - 30/70 is -127/378.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 70 is 1890
Next, find the equivalent fraction of both fractional numbers with denominator 1890 - For the 1st fraction, since 54 × 35 = 1890,
5/54 = 5 × 35/54 × 35 = 175/1890 - Likewise, for the 2nd fraction, since 70 × 27 = 1890,
30/70 = 30 × 27/70 × 27 = 810/1890 - Subtract the two like fractions:
175/1890 - 810/1890 = 175 - 810/1890 = -635/1890 - After reducing the fraction, the answer is -127/378
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