Subtract 2/18 from 45/84
45/84 - 2/18 is 107/252.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 18 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 84 × 3 = 252,
45/84 = 45 × 3/84 × 3 = 135/252 - Likewise, for the 2nd fraction, since 18 × 14 = 252,
2/18 = 2 × 14/18 × 14 = 28/252 - Subtract the two like fractions:
135/252 - 28/252 = 135 - 28/252 = 107/252
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/84-2/18 45/84-4/18 45/84-2/36 45/84-6/18 45/84-2/54 45/84-10/18 45/84-2/90 45/84-14/18