Subtract 7/9 from 30/16
1st number: 1 14/16, 2nd number: 7/9
30/16 - 7/9 is 79/72.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 9 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 16 × 9 = 144,
30/16 = 30 × 9/16 × 9 = 270/144 - Likewise, for the 2nd fraction, since 9 × 16 = 144,
7/9 = 7 × 16/9 × 16 = 112/144 - Subtract the two like fractions:
270/144 - 112/144 = 270 - 112/144 = 158/144 - After reducing the fraction, the answer is 79/72
- In mixed form: 17/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/16-7/9 30/16-14/9 30/32-7/9 30/16-7/18 90/16-7/9 30/16-21/9 30/48-7/9 30/16-7/27 30/16-35/9 30/80-7/9 30/16-7/45 30/16-49/9 30/16-7/63