Subtract 4/27 from 3/70
3/70 - 4/27 is -199/1890.
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,
3/70 = 3 × 27/70 × 27 = 81/1890 - Likewise, for the 2nd fraction, since 27 × 70 = 1890,
4/27 = 4 × 70/27 × 70 = 280/1890 - Subtract the two like fractions:
81/1890 - 280/1890 = 81 - 280/1890 = -199/1890
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/70-4/27 3/70-8/27 3/70-4/54 9/70-4/27 3/70-12/27 3/70-4/81 15/70-4/27 3/70-20/27 21/70-4/27 3/70-28/27