Subtract 49/9 from 54/30
1st number: 1 24/30, 2nd number: 5 4/9
54/30 - 49/9 is -164/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 9 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 30 × 3 = 90,
54/30 = 54 × 3/30 × 3 = 162/90 - Likewise, for the 2nd fraction, since 9 × 10 = 90,
49/9 = 49 × 10/9 × 10 = 490/90 - Subtract the two like fractions:
162/90 - 490/90 = 162 - 490/90 = -328/90 - After reducing the fraction, the answer is -164/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/30-98/9 54/60-49/9 54/30-49/18 54/90-49/9 54/30-49/27 54/30-49/45 54/30-49/63