Subtract 40/9 from 70/27
1st number: 2 16/27, 2nd number: 4 4/9
70/27 - 40/9 is -50/27.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 9 is 27
Next, find the equivalent fraction of both fractional numbers with denominator 27 - For the 1st fraction, since 27 × 1 = 27,
70/27 = 70 × 1/27 × 1 = 70/27 - Likewise, for the 2nd fraction, since 9 × 3 = 27,
40/9 = 40 × 3/9 × 3 = 120/27 - Subtract the two like fractions:
70/27 - 120/27 = 70 - 120/27 = -50/27
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/27-80/9 70/54-40/9 70/27-40/18 70/81-40/9 70/27-40/27 70/27-40/45 70/27-40/63