Subtract 30/3 from 49/90
1st number: 49/90, 2nd number: 10 0/3
49/90 - 30/3 is -851/90.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 3 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 90 × 1 = 90,
49/90 = 49 × 1/90 × 1 = 49/90 - Likewise, for the 2nd fraction, since 3 × 30 = 90,
30/3 = 30 × 30/3 × 30 = 900/90 - Subtract the two like fractions:
49/90 - 900/90 = 49 - 900/90 = -851/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/90-30/3 49/90-60/3 49/90-30/6 49/90-90/3 49/90-30/9 49/90-30/15 49/90-30/21