Subtract 90/54 from 8/2
1st number: 4 0/2, 2nd number: 1 36/54
8/2 - 90/54 is 7/3.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 54 is 54
Next, find the equivalent fraction of both fractional numbers with denominator 54 - For the 1st fraction, since 2 × 27 = 54,
8/2 = 8 × 27/2 × 27 = 216/54 - Likewise, for the 2nd fraction, since 54 × 1 = 54,
90/54 = 90 × 1/54 × 1 = 90/54 - Subtract the two like fractions:
216/54 - 90/54 = 216 - 90/54 = 126/54 - After reducing the fraction, the answer is 7/3
- In mixed form: 21/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/2-90/54 8/4-90/54 24/2-90/54 8/6-90/54 40/2-90/54 8/10-90/54 56/2-90/54 8/14-90/54