Subtract 3/15 from 2/16
2/16 - 3/15 is -3/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 15 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 16 × 15 = 240,
2/16 = 2 × 15/16 × 15 = 30/240 - Likewise, for the 2nd fraction, since 15 × 16 = 240,
3/15 = 3 × 16/15 × 16 = 48/240 - Subtract the two like fractions:
30/240 - 48/240 = 30 - 48/240 = -18/240 - After reducing the fraction, the answer is -3/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/16-3/15 2/16-6/15 2/32-3/15 2/16-3/30 6/16-3/15 2/16-9/15 2/48-3/15 2/16-3/45 10/16-3/15 2/80-3/15 2/16-3/75 14/16-3/15 2/16-21/15