Subtract 10/54 from 12/70
12/70 - 10/54 is -13/945.
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,
12/70 = 12 × 27/70 × 27 = 324/1890 - Likewise, for the 2nd fraction, since 54 × 35 = 1890,
10/54 = 10 × 35/54 × 35 = 350/1890 - Subtract the two like fractions:
324/1890 - 350/1890 = 324 - 350/1890 = -26/1890 - After reducing the fraction, the answer is -13/945
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