Subtract 35/18 from 30/16
1st number: 1 14/16, 2nd number: 1 17/18
30/16 - 35/18 is -5/72.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 18 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 18 × 8 = 144,
35/18 = 35 × 8/18 × 8 = 280/144 - Subtract the two like fractions:
270/144 - 280/144 = 270 - 280/144 = -10/144 - After reducing the fraction, the answer is -5/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/16-35/18 30/16-70/18 30/32-35/18 30/16-35/36 90/16-35/18 30/48-35/18 30/16-35/54 30/80-35/18 30/16-35/90