Subtract 84/45 from 4/6
1st number: 4/6, 2nd number: 1 39/45
4/6 - 84/45 is -6/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 45 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 6 × 15 = 90,
4/6 = 4 × 15/6 × 15 = 60/90 - Likewise, for the 2nd fraction, since 45 × 2 = 90,
84/45 = 84 × 2/45 × 2 = 168/90 - Subtract the two like fractions:
60/90 - 168/90 = 60 - 168/90 = -108/90 - After reducing the fraction, the answer is -6/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/6-84/45 4/12-84/45 4/6-84/90 12/6-84/45 4/18-84/45 20/6-84/45 4/30-84/45 28/6-84/45 4/42-84/45