Subtract 72/24 from 90/50
1st number: 1 40/50, 2nd number: 3 0/24
90/50 - 72/24 is -6/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 24 is 600
Next, find the equivalent fraction of both fractional numbers with denominator 600 - For the 1st fraction, since 50 × 12 = 600,
90/50 = 90 × 12/50 × 12 = 1080/600 - Likewise, for the 2nd fraction, since 24 × 25 = 600,
72/24 = 72 × 25/24 × 25 = 1800/600 - Subtract the two like fractions:
1080/600 - 1800/600 = 1080 - 1800/600 = -720/600 - After reducing the fraction, the answer is -6/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/50-72/48