Subtract 80/10 from 49/18
1st number: 2 13/18, 2nd number: 8 0/10
49/18 - 80/10 is -95/18.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 10 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 18 × 5 = 90,
49/18 = 49 × 5/18 × 5 = 245/90 - Likewise, for the 2nd fraction, since 10 × 9 = 90,
80/10 = 80 × 9/10 × 9 = 720/90 - Subtract the two like fractions:
245/90 - 720/90 = 245 - 720/90 = -475/90 - After reducing the fraction, the answer is -95/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/18-80/10 49/36-80/10 49/18-80/20 49/54-80/10 49/18-80/30 49/90-80/10 49/18-80/50 49/18-80/70