Subtract 8/90 from 49/10
1st number: 4 9/10, 2nd number: 8/90
49/10 - 8/90 is 433/90.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 10 × 9 = 90,
49/10 = 49 × 9/10 × 9 = 441/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
8/90 = 8 × 1/90 × 1 = 8/90 - Subtract the two like fractions:
441/90 - 8/90 = 441 - 8/90 = 433/90 - In mixed form: 473/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/10-8/90 49/10-16/90 49/20-8/90 49/10-24/90 49/30-8/90 49/10-40/90 49/50-8/90 49/10-56/90 49/70-8/90