Subtract 3/14 from 20/8
1st number: 2 4/8, 2nd number: 3/14
20/8 - 3/14 is 16/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 14 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 8 × 7 = 56,
20/8 = 20 × 7/8 × 7 = 140/56 - Likewise, for the 2nd fraction, since 14 × 4 = 56,
3/14 = 3 × 4/14 × 4 = 12/56 - Subtract the two like fractions:
140/56 - 12/56 = 140 - 12/56 = 128/56 - After reducing the fraction, the answer is 16/7
- In mixed form: 22/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/8-3/14 20/8-6/14 20/16-3/14 20/8-3/28 60/8-3/14 20/8-9/14 20/24-3/14 20/8-3/42 20/8-15/14 20/40-3/14 20/8-3/70 20/8-21/14 20/56-3/14 20/8-3/98