Subtract 8/16 from 12/15
12/15 - 8/16 is 3/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 16 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 15 × 16 = 240,
12/15 = 12 × 16/15 × 16 = 192/240 - Likewise, for the 2nd fraction, since 16 × 15 = 240,
8/16 = 8 × 15/16 × 15 = 120/240 - Subtract the two like fractions:
192/240 - 120/240 = 192 - 120/240 = 72/240 - After reducing the fraction, the answer is 3/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/15-8/16 12/30-8/16 12/15-8/32 36/15-8/16 12/15-24/16 12/45-8/16 12/15-8/48 60/15-8/16 12/15-40/16 12/75-8/16 12/15-8/80 84/15-8/16 12/15-56/16