Subtract 2/9 from 75/20
1st number: 3 15/20, 2nd number: 2/9
75/20 - 2/9 is 127/36.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 9 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 20 × 9 = 180,
75/20 = 75 × 9/20 × 9 = 675/180 - Likewise, for the 2nd fraction, since 9 × 20 = 180,
2/9 = 2 × 20/9 × 20 = 40/180 - Subtract the two like fractions:
675/180 - 40/180 = 675 - 40/180 = 635/180 - After reducing the fraction, the answer is 127/36
- In mixed form: 319/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/20-4/9 75/40-2/9 75/20-2/18 75/20-6/9 75/60-2/9 75/20-2/27 75/20-10/9 75/20-2/45 75/20-14/9 75/20-2/63