Subtract 20/35 from 8/24
8/24 - 20/35 is -5/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 35 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 24 × 35 = 840,
8/24 = 8 × 35/24 × 35 = 280/840 - Likewise, for the 2nd fraction, since 35 × 24 = 840,
20/35 = 20 × 24/35 × 24 = 480/840 - Subtract the two like fractions:
280/840 - 480/840 = 280 - 480/840 = -200/840 - After reducing the fraction, the answer is -5/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/24-20/35 8/24-40/35 8/48-20/35 8/24-20/70 8/24-60/35 8/72-20/35 40/24-20/35 56/24-20/35