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