Subtract 4/27 from 18/70
18/70 - 4/27 is 103/945.
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,
18/70 = 18 × 27/70 × 27 = 486/1890 - Likewise, for the 2nd fraction, since 27 × 70 = 1890,
4/27 = 4 × 70/27 × 70 = 280/1890 - Subtract the two like fractions:
486/1890 - 280/1890 = 486 - 280/1890 = 206/1890 - After reducing the fraction, the answer is 103/945
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/70-4/27 18/70-8/27 18/70-4/54 54/70-4/27 18/70-12/27 18/70-4/81 90/70-4/27 18/70-20/27 18/70-28/27