Subtract 28/16 from 35/18
1st number: 1 17/18, 2nd number: 1 12/16
35/18 - 28/16 is 7/36.
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,
35/18 = 35 × 8/18 × 8 = 280/144 - Likewise, for the 2nd fraction, since 16 × 9 = 144,
28/16 = 28 × 9/16 × 9 = 252/144 - Subtract the two like fractions:
280/144 - 252/144 = 280 - 252/144 = 28/144 - After reducing the fraction, the answer is 7/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/18-28/16 35/18-56/16 35/36-28/16 35/18-28/32 35/18-84/16 35/54-28/16 35/18-28/48 35/90-28/16 35/18-28/80