Subtract 10/9 from 2/40
1st number: 2/40, 2nd number: 1 1/9
2/40 - 10/9 is -191/180.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 9 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 40 × 9 = 360,
2/40 = 2 × 9/40 × 9 = 18/360 - Likewise, for the 2nd fraction, since 9 × 40 = 360,
10/9 = 10 × 40/9 × 40 = 400/360 - Subtract the two like fractions:
18/360 - 400/360 = 18 - 400/360 = -382/360 - After reducing the fraction, the answer is -191/180
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/40-10/9 2/40-20/9 2/80-10/9 2/40-10/18 6/40-10/9 2/40-30/9 2/40-10/27 10/40-10/9 2/40-50/9 2/40-10/45 14/40-10/9 2/40-70/9 2/40-10/63