Subtract 4/16 from 15/9
1st number: 1 6/9, 2nd number: 4/16
15/9 - 4/16 is 17/12.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 16 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 9 × 16 = 144,
15/9 = 15 × 16/9 × 16 = 240/144 - Likewise, for the 2nd fraction, since 16 × 9 = 144,
4/16 = 4 × 9/16 × 9 = 36/144 - Subtract the two like fractions:
240/144 - 36/144 = 240 - 36/144 = 204/144 - After reducing the fraction, the answer is 17/12
- In mixed form: 15/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/9-4/16 15/9-8/16 15/18-4/16 15/9-4/32 45/9-4/16 15/9-12/16 15/27-4/16 15/9-4/48 75/9-4/16 15/9-20/16 15/45-4/16 15/9-4/80 15/9-28/16 15/63-4/16