Subtract 14/30 from 1/90
1/90 - 14/30 is -41/90.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 30 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 90 × 1 = 90,
1/90 = 1 × 1/90 × 1 = 1/90 - Likewise, for the 2nd fraction, since 30 × 3 = 90,
14/30 = 14 × 3/30 × 3 = 42/90 - Subtract the two like fractions:
1/90 - 42/90 = 1 - 42/90 = -41/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/90-14/30 1/90-28/30 1/90-14/60 3/90-14/30 1/90-42/30 1/90-14/90 5/90-14/30 1/90-70/30 7/90-14/30 1/90-98/30