Subtract 9/10 from 6/9
69 - 910 is -730.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 10 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 9 × 10 = 90,
69 = 6 × 109 × 10 = 6090 - Likewise, for the 2nd fraction, since 10 × 9 = 90,
910 = 9 × 910 × 9 = 8190 - Subtract the two like fractions:
6090 - 8190 = 60 - 8190 = -2190 - After reducing the fraction, the answer is -730
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/9-9/10 6/9-18/10 6/18-9/10 6/9-9/20 18/9-9/10 6/9-27/10 6/27-9/10 6/9-9/30 30/9-9/10 6/9-45/10 6/45-9/10 6/9-9/50 42/9-9/10 6/9-63/10 6/63-9/10 6/9-9/70