Subtract 3/27 from 27/70
27/70 - 3/27 is 173/630.
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,
27/70 = 27 × 27/70 × 27 = 729/1890 - Likewise, for the 2nd fraction, since 27 × 70 = 1890,
3/27 = 3 × 70/27 × 70 = 210/1890 - Subtract the two like fractions:
729/1890 - 210/1890 = 729 - 210/1890 = 519/1890 - After reducing the fraction, the answer is 173/630
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/70-3/27 27/70-6/27 27/70-3/54 81/70-3/27 27/70-9/27 27/70-3/81 27/70-15/27 27/70-21/27