Subtract 9/54 from 3/70
3/70 - 9/54 is -13/105.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 54 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 54 × 35 = 1890,
9/54 = 9 × 35/54 × 35 = 315/1890 - Subtract the two like fractions:
81/1890 - 315/1890 = 81 - 315/1890 = -234/1890 - After reducing the fraction, the answer is -13/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/70-9/54 3/70-18/54 9/70-9/54 3/70-27/54 15/70-9/54 3/70-45/54 21/70-9/54 3/70-63/54