Subtract 4/40 from 75/9
1st number: 8 3/9, 2nd number: 4/40
75/9 - 4/40 is 247/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 40 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 9 × 40 = 360,
75/9 = 75 × 40/9 × 40 = 3000/360 - Likewise, for the 2nd fraction, since 40 × 9 = 360,
4/40 = 4 × 9/40 × 9 = 36/360 - Subtract the two like fractions:
3000/360 - 36/360 = 3000 - 36/360 = 2964/360 - After reducing the fraction, the answer is 247/30
- In mixed form: 87/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/9-8/40 75/18-4/40 75/9-4/80 75/9-12/40 75/27-4/40 75/9-20/40 75/45-4/40 75/9-28/40 75/63-4/40