Subtract 49/9 from 30/15
1st number: 2 0/15, 2nd number: 5 4/9
30/15 - 49/9 is -31/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 9 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 15 × 3 = 45,
30/15 = 30 × 3/15 × 3 = 90/45 - Likewise, for the 2nd fraction, since 9 × 5 = 45,
49/9 = 49 × 5/9 × 5 = 245/45 - Subtract the two like fractions:
90/45 - 245/45 = 90 - 245/45 = -155/45 - After reducing the fraction, the answer is -31/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/15-49/9 30/15-98/9 30/15-49/18 90/15-49/9 30/45-49/9 30/15-49/27 30/75-49/9 30/15-49/45 30/15-49/63