Subtract 30/4 from 32/9
1st number: 3 5/9, 2nd number: 7 2/4
32/9 - 30/4 is -71/18.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 4 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 9 × 4 = 36,
32/9 = 32 × 4/9 × 4 = 128/36 - Likewise, for the 2nd fraction, since 4 × 9 = 36,
30/4 = 30 × 9/4 × 9 = 270/36 - Subtract the two like fractions:
128/36 - 270/36 = 128 - 270/36 = -142/36 - After reducing the fraction, the answer is -71/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 64/9-30/4 32/9-60/4 32/18-30/4 32/9-30/8 96/9-30/4 32/9-90/4 32/27-30/4 32/9-30/12 32/45-30/4 32/9-30/20 32/63-30/4 32/9-30/28