Subtract 40/27 from 30/8
1st number: 3 6/8, 2nd number: 1 13/27
30/8 - 40/27 is 245/108.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 27 is 216
Next, find the equivalent fraction of both fractional numbers with denominator 216 - For the 1st fraction, since 8 × 27 = 216,
30/8 = 30 × 27/8 × 27 = 810/216 - Likewise, for the 2nd fraction, since 27 × 8 = 216,
40/27 = 40 × 8/27 × 8 = 320/216 - Subtract the two like fractions:
810/216 - 320/216 = 810 - 320/216 = 490/216 - After reducing the fraction, the answer is 245/108
- In mixed form: 229/108
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/8-40/27 30/8-80/27 30/16-40/27 30/8-40/54 90/8-40/27 30/24-40/27 30/8-40/81 30/40-40/27 30/56-40/27