Subtract 15/70 from 4/27
4/27 - 15/70 is -25/378.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 70 is 1890
Next, find the equivalent fraction of both fractional numbers with denominator 1890 - For the 1st fraction, since 27 × 70 = 1890,
4/27 = 4 × 70/27 × 70 = 280/1890 - Likewise, for the 2nd fraction, since 70 × 27 = 1890,
15/70 = 15 × 27/70 × 27 = 405/1890 - Subtract the two like fractions:
280/1890 - 405/1890 = 280 - 405/1890 = -125/1890 - After reducing the fraction, the answer is -25/378
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