Subtract 24/90 from 1/2
1/2 - 24/90 is 7/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 2 × 45 = 90,
1/2 = 1 × 45/2 × 45 = 45/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
24/90 = 24 × 1/90 × 1 = 24/90 - Subtract the two like fractions:
45/90 - 24/90 = 45 - 24/90 = 21/90 - After reducing the fraction, the answer is 7/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 1/2-48/90 1/4-24/90 3/2-24/90 1/2-72/90 1/6-24/90 5/2-24/90 1/10-24/90 7/2-24/90 1/14-24/90