Subtract 6/70 from 2/54
2/54 - 6/70 is -46/945.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 70 is 1890
Next, find the equivalent fraction of both fractional numbers with denominator 1890 - For the 1st fraction, since 54 × 35 = 1890,
2/54 = 2 × 35/54 × 35 = 70/1890 - Likewise, for the 2nd fraction, since 70 × 27 = 1890,
6/70 = 6 × 27/70 × 27 = 162/1890 - Subtract the two like fractions:
70/1890 - 162/1890 = 70 - 162/1890 = -92/1890 - After reducing the fraction, the answer is -46/945
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/54-6/70 2/54-12/70 6/54-6/70 2/54-18/70 10/54-6/70 2/54-30/70 14/54-6/70 2/54-42/70