Subtract 28/10 from 32/18
1st number: 1 14/18, 2nd number: 2 8/10
32/18 - 28/10 is -46/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 10 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 18 × 5 = 90,
32/18 = 32 × 5/18 × 5 = 160/90 - Likewise, for the 2nd fraction, since 10 × 9 = 90,
28/10 = 28 × 9/10 × 9 = 252/90 - Subtract the two like fractions:
160/90 - 252/90 = 160 - 252/90 = -92/90 - After reducing the fraction, the answer is -46/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 64/18-28/10 32/18-56/10 32/36-28/10 32/18-28/20 96/18-28/10 32/18-84/10 32/54-28/10 32/18-28/30 32/90-28/10 32/18-28/50 32/18-28/70