Subtract 48/90 from 2/4
2/4 - 48/90 is -1/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 90 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 4 × 45 = 180,
2/4 = 2 × 45/4 × 45 = 90/180 - Likewise, for the 2nd fraction, since 90 × 2 = 180,
48/90 = 48 × 2/90 × 2 = 96/180 - Subtract the two like fractions:
90/180 - 96/180 = 90 - 96/180 = -6/180 - After reducing the fraction, the answer is -1/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/4-96/90 2/8-48/90 6/4-48/90 2/12-48/90 10/4-48/90 2/20-48/90 14/4-48/90 2/28-48/90