Subtract 30/8 from 14/9
1st number: 1 5/9, 2nd number: 3 6/8
14/9 - 30/8 is -79/36.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 8 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 9 × 8 = 72,
14/9 = 14 × 8/9 × 8 = 112/72 - Likewise, for the 2nd fraction, since 8 × 9 = 72,
30/8 = 30 × 9/8 × 9 = 270/72 - Subtract the two like fractions:
112/72 - 270/72 = 112 - 270/72 = -158/72 - After reducing the fraction, the answer is -79/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/9-30/8 14/9-60/8 14/18-30/8 14/9-30/16 42/9-30/8 14/9-90/8 14/27-30/8 14/9-30/24 70/9-30/8 14/45-30/8 14/9-30/40 98/9-30/8 14/63-30/8 14/9-30/56