Subtract 16/90 from 4/48
4/48 - 16/90 is -17/180.
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,
4/48 = 4 × 15/48 × 15 = 60/720 - Likewise, for the 2nd fraction, since 90 × 8 = 720,
16/90 = 16 × 8/90 × 8 = 128/720 - Subtract the two like fractions:
60/720 - 128/720 = 60 - 128/720 = -68/720 - After reducing the fraction, the answer is -17/180
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/48-16/90 4/48-32/90 4/96-16/90 12/48-16/90 4/48-48/90 20/48-16/90 4/48-80/90 28/48-16/90