Subtract 25/27 from 10/70
10/70 - 25/27 is -148/189.
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,
10/70 = 10 × 27/70 × 27 = 270/1890 - Likewise, for the 2nd fraction, since 27 × 70 = 1890,
25/27 = 25 × 70/27 × 70 = 1750/1890 - Subtract the two like fractions:
270/1890 - 1750/1890 = 270 - 1750/1890 = -1480/1890 - After reducing the fraction, the answer is -148/189
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/70-25/27 10/70-50/27 10/70-25/54 30/70-25/27 10/70-75/27 10/70-25/81 50/70-25/27