Subtract 15/48 from 6/45
6/45 - 15/48 is -43/240.
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,
6/45 = 6 × 16/45 × 16 = 96/720 - Likewise, for the 2nd fraction, since 48 × 15 = 720,
15/48 = 15 × 15/48 × 15 = 225/720 - Subtract the two like fractions:
96/720 - 225/720 = 96 - 225/720 = -129/720 - After reducing the fraction, the answer is -43/240
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/45-15/48 6/45-30/48 6/90-15/48 6/45-15/96 18/45-15/48 6/45-45/48 30/45-15/48 6/45-75/48 42/45-15/48