Subtract 4/16 from 28/18
1st number: 1 10/18, 2nd number: 4/16
28/18 - 4/16 is 47/36.
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,
28/18 = 28 × 8/18 × 8 = 224/144 - Likewise, for the 2nd fraction, since 16 × 9 = 144,
4/16 = 4 × 9/16 × 9 = 36/144 - Subtract the two like fractions:
224/144 - 36/144 = 224 - 36/144 = 188/144 - After reducing the fraction, the answer is 47/36
- In mixed form: 111/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/18-4/16 28/18-8/16 28/36-4/16 28/18-4/32 84/18-4/16 28/18-12/16 28/54-4/16 28/18-4/48 28/18-20/16 28/90-4/16 28/18-4/80 28/18-28/16