Subtract 16/10 from 20/8
1st number: 2 4/8, 2nd number: 1 6/10
20/8 - 16/10 is 9/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 10 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 8 × 5 = 40,
20/8 = 20 × 5/8 × 5 = 100/40 - Likewise, for the 2nd fraction, since 10 × 4 = 40,
16/10 = 16 × 4/10 × 4 = 64/40 - Subtract the two like fractions:
100/40 - 64/40 = 100 - 64/40 = 36/40 - After reducing the fraction, the answer is 9/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/8-16/10 20/8-32/10 20/16-16/10 20/8-16/20 60/8-16/10 20/8-48/10 20/24-16/10 20/8-16/30 20/8-80/10 20/40-16/10 20/8-16/50 20/56-16/10 20/8-16/70