Subtract 3/45 from 2/16
2/16 - 3/45 is 7/120.
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,
2/16 = 2 × 45/16 × 45 = 90/720 - Likewise, for the 2nd fraction, since 45 × 16 = 720,
3/45 = 3 × 16/45 × 16 = 48/720 - Subtract the two like fractions:
90/720 - 48/720 = 90 - 48/720 = 42/720 - After reducing the fraction, the answer is 7/120
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/16-3/45 2/16-6/45 2/32-3/45 2/16-3/90 6/16-3/45 2/16-9/45 2/48-3/45 10/16-3/45 2/16-15/45 2/80-3/45 14/16-3/45 2/16-21/45