Subtract 60/90 from 24/45
24/45 - 60/90 is -2/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 45 × 2 = 90,
24/45 = 24 × 2/45 × 2 = 48/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
60/90 = 60 × 1/90 × 1 = 60/90 - Subtract the two like fractions:
48/90 - 60/90 = 48 - 60/90 = -12/90 - After reducing the fraction, the answer is -2/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 48/45-60/90 24/90-60/90 72/45-60/90