Subtract 30/16 from 4/18
1st number: 4/18, 2nd number: 1 14/16
4/18 - 30/16 is -119/72.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 16 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 18 × 8 = 144,
4/18 = 4 × 8/18 × 8 = 32/144 - Likewise, for the 2nd fraction, since 16 × 9 = 144,
30/16 = 30 × 9/16 × 9 = 270/144 - Subtract the two like fractions:
32/144 - 270/144 = 32 - 270/144 = -238/144 - After reducing the fraction, the answer is -119/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/18-30/16 4/18-60/16 4/36-30/16 4/18-30/32 12/18-30/16 4/18-90/16 4/54-30/16 4/18-30/48 20/18-30/16 4/90-30/16 4/18-30/80 28/18-30/16