Subtract 20/70 from 35/27
1st number: 1 8/27, 2nd number: 20/70
35/27 - 20/70 is 191/189.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 70 is 1890
Next, find the equivalent fraction of both fractional numbers with denominator 1890 - For the 1st fraction, since 27 × 70 = 1890,
35/27 = 35 × 70/27 × 70 = 2450/1890 - Likewise, for the 2nd fraction, since 70 × 27 = 1890,
20/70 = 20 × 27/70 × 27 = 540/1890 - Subtract the two like fractions:
2450/1890 - 540/1890 = 2450 - 540/1890 = 1910/1890 - After reducing the fraction, the answer is 191/189
- In mixed form: 12/189
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/27-20/70 35/27-40/70 35/54-20/70 35/27-60/70 35/81-20/70