Subtract 72/50 from 90/2
1st number: 45 0/2, 2nd number: 1 22/50
90/2 - 72/50 is 1089/25.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 50 is 50
Next, find the equivalent fraction of both fractional numbers with denominator 50 - For the 1st fraction, since 2 × 25 = 50,
90/2 = 90 × 25/2 × 25 = 2250/50 - Likewise, for the 2nd fraction, since 50 × 1 = 50,
72/50 = 72 × 1/50 × 1 = 72/50 - Subtract the two like fractions:
2250/50 - 72/50 = 2250 - 72/50 = 2178/50 - After reducing the fraction, the answer is 1089/25
- In mixed form: 4314/25
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/4-72/50 90/6-72/50 90/10-72/50 90/14-72/50