Subtract 42/27 from 2/70
1st number: 2/70, 2nd number: 1 15/27
2/70 - 42/27 is -481/315.
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,
2/70 = 2 × 27/70 × 27 = 54/1890 - Likewise, for the 2nd fraction, since 27 × 70 = 1890,
42/27 = 42 × 70/27 × 70 = 2940/1890 - Subtract the two like fractions:
54/1890 - 2940/1890 = 54 - 2940/1890 = -2886/1890 - After reducing the fraction, the answer is -481/315
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/70-42/27 2/70-84/27 2/70-42/54 6/70-42/27 2/70-42/81 10/70-42/27 14/70-42/27