Subtract 20/90 from 16/6
1st number: 2 4/6, 2nd number: 20/90
16/6 - 20/90 is 22/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 6 × 15 = 90,
16/6 = 16 × 15/6 × 15 = 240/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
20/90 = 20 × 1/90 × 1 = 20/90 - Subtract the two like fractions:
240/90 - 20/90 = 240 - 20/90 = 220/90 - After reducing the fraction, the answer is 22/9
- In mixed form: 24/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/6-20/90 16/6-40/90 16/12-20/90 48/6-20/90 16/6-60/90 16/18-20/90 80/6-20/90 16/30-20/90 16/42-20/90