Subtract 3/48 from 15/90
15/90 - 3/48 is 5/48.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 48 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 90 × 8 = 720,
15/90 = 15 × 8/90 × 8 = 120/720 - Likewise, for the 2nd fraction, since 48 × 15 = 720,
3/48 = 3 × 15/48 × 15 = 45/720 - Subtract the two like fractions:
120/720 - 45/720 = 120 - 45/720 = 75/720 - After reducing the fraction, the answer is 5/48
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/90-3/48 15/90-6/48 15/90-3/96 45/90-3/48 15/90-9/48 75/90-3/48 15/90-15/48 15/90-21/48