Subtract 18/45 from 10/16
10/16 - 18/45 is 9/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 45 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 16 × 45 = 720,
10/16 = 10 × 45/16 × 45 = 450/720 - Likewise, for the 2nd fraction, since 45 × 16 = 720,
18/45 = 18 × 16/45 × 16 = 288/720 - Subtract the two like fractions:
450/720 - 288/720 = 450 - 288/720 = 162/720 - After reducing the fraction, the answer is 9/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/16-18/45 10/16-36/45 10/32-18/45 10/16-18/90 30/16-18/45 10/16-54/45 10/48-18/45 50/16-18/45 10/16-90/45 10/80-18/45 70/16-18/45