Subtract 5/90 from 2/48
2/48 - 5/90 is -1/72.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 90 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 48 × 15 = 720,
2/48 = 2 × 15/48 × 15 = 30/720 - Likewise, for the 2nd fraction, since 90 × 8 = 720,
5/90 = 5 × 8/90 × 8 = 40/720 - Subtract the two like fractions:
30/720 - 40/720 = 30 - 40/720 = -10/720 - After reducing the fraction, the answer is -1/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/48-5/90 2/48-10/90 2/96-5/90 6/48-5/90 2/48-15/90 10/48-5/90 2/48-25/90 14/48-5/90 2/48-35/90