Subtract 90/49 from 18/2
1st number: 9 0/2, 2nd number: 1 41/49
18/2 - 90/49 is 351/49.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 49 is 98
Next, find the equivalent fraction of both fractional numbers with denominator 98 - For the 1st fraction, since 2 × 49 = 98,
18/2 = 18 × 49/2 × 49 = 882/98 - Likewise, for the 2nd fraction, since 49 × 2 = 98,
90/49 = 90 × 2/49 × 2 = 180/98 - Subtract the two like fractions:
882/98 - 180/98 = 882 - 180/98 = 702/98 - After reducing the fraction, the answer is 351/49
- In mixed form: 78/49
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/2-90/49 18/4-90/49 18/2-90/98 54/2-90/49 18/6-90/49 90/2-90/49 18/10-90/49 18/14-90/49