Subtract 10/72 from 16/18
16/18 - 10/72 is 3/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 18 × 4 = 72,
16/18 = 16 × 4/18 × 4 = 64/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
10/72 = 10 × 1/72 × 1 = 10/72 - Subtract the two like fractions:
64/72 - 10/72 = 64 - 10/72 = 54/72 - After reducing the fraction, the answer is 3/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/18-10/72 16/18-20/72 16/36-10/72 48/18-10/72 16/18-30/72 16/54-10/72 80/18-10/72 16/18-50/72 16/90-10/72 16/18-70/72