Subtract 63/9 from 25/80
1st number: 25/80, 2nd number: 7 0/9
25/80 - 63/9 is -107/16.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 9 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 80 × 9 = 720,
25/80 = 25 × 9/80 × 9 = 225/720 - Likewise, for the 2nd fraction, since 9 × 80 = 720,
63/9 = 63 × 80/9 × 80 = 5040/720 - Subtract the two like fractions:
225/720 - 5040/720 = 225 - 5040/720 = -4815/720 - After reducing the fraction, the answer is -107/16
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/80-63/9 25/80-63/18 75/80-63/9 25/80-63/27 25/80-63/45