Subtract 8/7 from 70/27
1st number: 2 16/27, 2nd number: 1 1/7
70/27 - 8/7 is 274/189.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 7 is 189
Next, find the equivalent fraction of both fractional numbers with denominator 189 - For the 1st fraction, since 27 × 7 = 189,
70/27 = 70 × 7/27 × 7 = 490/189 - Likewise, for the 2nd fraction, since 7 × 27 = 189,
8/7 = 8 × 27/7 × 27 = 216/189 - Subtract the two like fractions:
490/189 - 216/189 = 490 - 216/189 = 274/189 - In mixed form: 185/189
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/27-16/7 70/54-8/7 70/27-8/14 70/27-24/7 70/81-8/7 70/27-8/21 70/27-40/7 70/27-8/35 70/27-56/7 70/27-8/49