Subtract 8/20 from 24/28
24/28 - 8/20 is 16/35.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 20 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 28 × 5 = 140,
24/28 = 24 × 5/28 × 5 = 120/140 - Likewise, for the 2nd fraction, since 20 × 7 = 140,
8/20 = 8 × 7/20 × 7 = 56/140 - Subtract the two like fractions:
120/140 - 56/140 = 120 - 56/140 = 64/140 - After reducing the fraction, the answer is 16/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 48/28-8/20 24/28-16/20 24/56-8/20 24/28-8/40 72/28-8/20 24/28-24/20 24/84-8/20 24/28-8/60 24/28-40/20 24/28-56/20