Subtract 2/40 from 36/9
1st number: 4 0/9, 2nd number: 2/40
36/9 - 2/40 is 79/20.
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,
36/9 = 36 × 40/9 × 40 = 1440/360 - Likewise, for the 2nd fraction, since 40 × 9 = 360,
2/40 = 2 × 9/40 × 9 = 18/360 - Subtract the two like fractions:
1440/360 - 18/360 = 1440 - 18/360 = 1422/360 - After reducing the fraction, the answer is 79/20
- In mixed form: 319/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/9-2/40 36/9-4/40 36/18-2/40 36/9-2/80 36/9-6/40 36/27-2/40 36/9-10/40 36/45-2/40 36/9-14/40 36/63-2/40