Subtract 90/50 from 28/24
1st number: 1 4/24, 2nd number: 1 40/50
28/24 - 90/50 is -19/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 50 is 600
Next, find the equivalent fraction of both fractional numbers with denominator 600 - For the 1st fraction, since 24 × 25 = 600,
28/24 = 28 × 25/24 × 25 = 700/600 - Likewise, for the 2nd fraction, since 50 × 12 = 600,
90/50 = 90 × 12/50 × 12 = 1080/600 - Subtract the two like fractions:
700/600 - 1080/600 = 700 - 1080/600 = -380/600 - After reducing the fraction, the answer is -19/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/24-90/50 28/48-90/50 84/24-90/50 28/72-90/50