Subtract 18/16 from 3/8
1st number: 3/8, 2nd number: 1 2/16
3/8 - 18/16 is -3/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 16 is 16
Next, find the equivalent fraction of both fractional numbers with denominator 16 - For the 1st fraction, since 8 × 2 = 16,
3/8 = 3 × 2/8 × 2 = 6/16 - Likewise, for the 2nd fraction, since 16 × 1 = 16,
18/16 = 18 × 1/16 × 1 = 18/16 - Subtract the two like fractions:
6/16 - 18/16 = 6 - 18/16 = -12/16 - After reducing the fraction, the answer is -3/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/8-18/16 3/8-36/16 3/16-18/16 3/8-18/32 9/8-18/16 3/8-54/16 3/24-18/16 3/8-18/48 15/8-18/16 3/8-90/16 3/40-18/16 3/8-18/80 21/8-18/16 3/56-18/16