Subtract 49/90 from 5/48
5/48 - 49/90 is -317/720.
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,
5/48 = 5 × 15/48 × 15 = 75/720 - Likewise, for the 2nd fraction, since 90 × 8 = 720,
49/90 = 49 × 8/90 × 8 = 392/720 - Subtract the two like fractions:
75/720 - 392/720 = 75 - 392/720 = -317/720
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/48-49/90 5/48-98/90 5/96-49/90 15/48-49/90 25/48-49/90 35/48-49/90