Subtract 12/27 from 12/70
12/70 - 12/27 is -86/315.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 27 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 27 × 70 = 1890,
12/27 = 12 × 70/27 × 70 = 840/1890 - Subtract the two like fractions:
324/1890 - 840/1890 = 324 - 840/1890 = -516/1890 - After reducing the fraction, the answer is -86/315
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/70-12/27 12/70-24/27 12/70-12/54 36/70-12/27 12/70-36/27 12/70-12/81 60/70-12/27 12/70-60/27 84/70-12/27 12/70-84/27