Subtract 4/6 from 9/45
9/45 - 4/6 is -7/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 6 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 45 × 2 = 90,
9/45 = 9 × 2/45 × 2 = 18/90 - Likewise, for the 2nd fraction, since 6 × 15 = 90,
4/6 = 4 × 15/6 × 15 = 60/90 - Subtract the two like fractions:
18/90 - 60/90 = 18 - 60/90 = -42/90 - After reducing the fraction, the answer is -7/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/45-4/6 9/45-8/6 9/90-4/6 9/45-4/12 27/45-4/6 9/45-12/6 9/45-4/18 9/45-20/6 9/45-4/30 63/45-4/6 9/45-28/6 9/45-4/42