Subtract 1/90 from 14/28
14/28 - 1/90 is 22/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 90 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 28 × 45 = 1260,
14/28 = 14 × 45/28 × 45 = 630/1260 - Likewise, for the 2nd fraction, since 90 × 14 = 1260,
1/90 = 1 × 14/90 × 14 = 14/1260 - Subtract the two like fractions:
630/1260 - 14/1260 = 630 - 14/1260 = 616/1260 - After reducing the fraction, the answer is 22/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/28-2/90 14/56-1/90 42/28-1/90 14/28-3/90 14/84-1/90 70/28-1/90 14/28-5/90 98/28-1/90 14/28-7/90