Subtract 98/50 from 49/90
1st number: 49/90, 2nd number: 1 48/50
49/90 - 98/50 is -637/450.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 50 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 90 × 5 = 450,
49/90 = 49 × 5/90 × 5 = 245/450 - Likewise, for the 2nd fraction, since 50 × 9 = 450,
98/50 = 98 × 9/50 × 9 = 882/450 - Subtract the two like fractions:
245/450 - 882/450 = 245 - 882/450 = -637/450
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/90-98/50