Subtract 40/9 from 4/30
1st number: 4/30, 2nd number: 4 4/9
4/30 - 40/9 is -194/45.
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,
4/30 = 4 × 3/30 × 3 = 12/90 - Likewise, for the 2nd fraction, since 9 × 10 = 90,
40/9 = 40 × 10/9 × 10 = 400/90 - Subtract the two like fractions:
12/90 - 400/90 = 12 - 400/90 = -388/90 - After reducing the fraction, the answer is -194/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/30-40/9 4/30-80/9 4/60-40/9 4/30-40/18 12/30-40/9 4/90-40/9 4/30-40/27 20/30-40/9 4/30-40/45 28/30-40/9 4/30-40/63