Subtract 21/50 from 90/48
1st number: 1 42/48, 2nd number: 21/50
90/48 - 21/50 is 291/200.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 50 is 1200
Next, find the equivalent fraction of both fractional numbers with denominator 1200 - For the 1st fraction, since 48 × 25 = 1200,
90/48 = 90 × 25/48 × 25 = 2250/1200 - Likewise, for the 2nd fraction, since 50 × 24 = 1200,
21/50 = 21 × 24/50 × 24 = 504/1200 - Subtract the two like fractions:
2250/1200 - 504/1200 = 2250 - 504/1200 = 1746/1200 - After reducing the fraction, the answer is 291/200
- In mixed form: 191/200
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/48-42/50 90/96-21/50 90/48-63/50