Subtract 6/48 from 12/45
12/45 - 6/48 is 17/120.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 48 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 45 × 16 = 720,
12/45 = 12 × 16/45 × 16 = 192/720 - Likewise, for the 2nd fraction, since 48 × 15 = 720,
6/48 = 6 × 15/48 × 15 = 90/720 - Subtract the two like fractions:
192/720 - 90/720 = 192 - 90/720 = 102/720 - After reducing the fraction, the answer is 17/120
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/45-6/48 12/45-12/48 12/90-6/48 12/45-6/96 36/45-6/48 12/45-18/48 60/45-6/48 12/45-30/48 84/45-6/48 12/45-42/48