Subtract 16/56 from 8/18
8/18 - 16/56 is 10/63.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 56 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 18 × 28 = 504,
8/18 = 8 × 28/18 × 28 = 224/504 - Likewise, for the 2nd fraction, since 56 × 9 = 504,
16/56 = 16 × 9/56 × 9 = 144/504 - Subtract the two like fractions:
224/504 - 144/504 = 224 - 144/504 = 80/504 - After reducing the fraction, the answer is 10/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/18-16/56 8/18-32/56 8/36-16/56 24/18-16/56 8/18-48/56 8/54-16/56 40/18-16/56 8/18-80/56 8/90-16/56 56/18-16/56