Subtract 3/45 from 18/16
1st number: 1 2/16, 2nd number: 3/45
18/16 - 3/45 is 127/120.
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,
18/16 = 18 × 45/16 × 45 = 810/720 - Likewise, for the 2nd fraction, since 45 × 16 = 720,
3/45 = 3 × 16/45 × 16 = 48/720 - Subtract the two like fractions:
810/720 - 48/720 = 810 - 48/720 = 762/720 - After reducing the fraction, the answer is 127/120
- In mixed form: 17/120
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/16-3/45 18/16-6/45 18/32-3/45 18/16-3/90 54/16-3/45 18/16-9/45 18/48-3/45 90/16-3/45 18/16-15/45 18/80-3/45 18/16-21/45