Subtract 7/8 from 20/16
1st number: 1 4/16, 2nd number: 7/8
20/16 - 7/8 is 3/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 8 is 16
Next, find the equivalent fraction of both fractional numbers with denominator 16 - For the 1st fraction, since 16 × 1 = 16,
20/16 = 20 × 1/16 × 1 = 20/16 - Likewise, for the 2nd fraction, since 8 × 2 = 16,
7/8 = 7 × 2/8 × 2 = 14/16 - Subtract the two like fractions:
20/16 - 14/16 = 20 - 14/16 = 6/16 - After reducing the fraction, the answer is 3/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/16-7/8 20/16-14/8 20/32-7/8 20/16-7/16 60/16-7/8 20/16-21/8 20/48-7/8 20/16-7/24 20/16-35/8 20/80-7/8 20/16-7/40 20/16-49/8 20/16-7/56