Subtract 18/16 from 2/10
1st number: 2/10, 2nd number: 1 2/16
2/10 - 18/16 is -37/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 16 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 10 × 8 = 80,
2/10 = 2 × 8/10 × 8 = 16/80 - Likewise, for the 2nd fraction, since 16 × 5 = 80,
18/16 = 18 × 5/16 × 5 = 90/80 - Subtract the two like fractions:
16/80 - 90/80 = 16 - 90/80 = -74/80 - After reducing the fraction, the answer is -37/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/10-18/16 2/10-36/16 2/20-18/16 2/10-18/32 6/10-18/16 2/10-54/16 2/30-18/16 2/10-18/48 2/10-90/16 2/50-18/16 2/10-18/80 14/10-18/16 2/70-18/16