Subtract 49/10 from 10/80
1st number: 10/80, 2nd number: 4 9/10
10/80 - 49/10 is -191/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 10 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 80 × 1 = 80,
10/80 = 10 × 1/80 × 1 = 10/80 - Likewise, for the 2nd fraction, since 10 × 8 = 80,
49/10 = 49 × 8/10 × 8 = 392/80 - Subtract the two like fractions:
10/80 - 392/80 = 10 - 392/80 = -382/80 - After reducing the fraction, the answer is -191/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/80-49/10 10/80-98/10 10/80-49/20 30/80-49/10 10/80-49/30 50/80-49/10 10/80-49/50 70/80-49/10 10/80-49/70