Subtract 70/27 from 10/7
1st number: 1 3/7, 2nd number: 2 16/27
10/7 - 70/27 is -220/189.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 27 is 189
Next, find the equivalent fraction of both fractional numbers with denominator 189 - For the 1st fraction, since 7 × 27 = 189,
10/7 = 10 × 27/7 × 27 = 270/189 - Likewise, for the 2nd fraction, since 27 × 7 = 189,
70/27 = 70 × 7/27 × 7 = 490/189 - Subtract the two like fractions:
270/189 - 490/189 = 270 - 490/189 = -220/189
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/7-70/27 10/14-70/27 10/7-70/54 30/7-70/27 10/21-70/27 10/7-70/81 50/7-70/27 10/35-70/27 70/7-70/27 10/49-70/27