Subtract 2/4 from 90/2
1st number: 45 0/2, 2nd number: 2/4
90/2 - 2/4 is 89/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 4 is 4
Next, find the equivalent fraction of both fractional numbers with denominator 4 - For the 1st fraction, since 2 × 2 = 4,
90/2 = 90 × 2/2 × 2 = 180/4 - Likewise, for the 2nd fraction, since 4 × 1 = 4,
2/4 = 2 × 1/4 × 1 = 2/4 - Subtract the two like fractions:
180/4 - 2/4 = 180 - 2/4 = 178/4 - After reducing the fraction, the answer is 89/2
- In mixed form: 441/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/4-2/4 90/2-2/8 90/2-6/4 90/6-2/4 90/2-2/12 90/2-10/4 90/10-2/4 90/2-2/20 90/2-14/4 90/14-2/4 90/2-2/28