Subtract 6/9 from 20/16
1st number: 1 4/16, 2nd number: 6/9
20/16 - 6/9 is 7/12.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 9 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 16 × 9 = 144,
20/16 = 20 × 9/16 × 9 = 180/144 - Likewise, for the 2nd fraction, since 9 × 16 = 144,
6/9 = 6 × 16/9 × 16 = 96/144 - Subtract the two like fractions:
180/144 - 96/144 = 180 - 96/144 = 84/144 - After reducing the fraction, the answer is 7/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/16-6/9 20/16-12/9 20/32-6/9 20/16-6/18 60/16-6/9 20/16-18/9 20/48-6/9 20/16-6/27 20/16-30/9 20/80-6/9 20/16-6/45 20/16-42/9 20/16-6/63