Subtract 9/80 from 6/45
6/45 - 9/80 is 1/48.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 80 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 45 × 16 = 720,
6/45 = 6 × 16/45 × 16 = 96/720 - Likewise, for the 2nd fraction, since 80 × 9 = 720,
9/80 = 9 × 9/80 × 9 = 81/720 - Subtract the two like fractions:
96/720 - 81/720 = 96 - 81/720 = 15/720 - After reducing the fraction, the answer is 1/48
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/45-9/80 6/45-18/80 6/90-9/80 18/45-9/80 6/45-27/80 30/45-9/80 6/45-45/80 42/45-9/80 6/45-63/80