Subtract 35/36 from 8/40
8/40 - 35/36 is -139/180.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 36 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 40 × 9 = 360,
8/40 = 8 × 9/40 × 9 = 72/360 - Likewise, for the 2nd fraction, since 36 × 10 = 360,
35/36 = 35 × 10/36 × 10 = 350/360 - Subtract the two like fractions:
72/360 - 350/360 = 72 - 350/360 = -278/360 - After reducing the fraction, the answer is -139/180
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/40-35/36 8/40-70/36 8/80-35/36 8/40-35/72 24/40-35/36 56/40-35/36