Subtract 63/30 from 32/18
1st number: 1 14/18, 2nd number: 2 3/30
32/18 - 63/30 is -29/90.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 30 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 30 × 3 = 90,
63/30 = 63 × 3/30 × 3 = 189/90 - Subtract the two like fractions:
160/90 - 189/90 = 160 - 189/90 = -29/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 64/18-63/30 32/36-63/30 32/18-63/60 96/18-63/30 32/54-63/30 32/18-63/90 32/90-63/30