Subtract 9/18 from 24/20
1st number: 1 4/20, 2nd number: 9/18
24/20 - 9/18 is 7/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 18 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 20 × 9 = 180,
24/20 = 24 × 9/20 × 9 = 216/180 - Likewise, for the 2nd fraction, since 18 × 10 = 180,
9/18 = 9 × 10/18 × 10 = 90/180 - Subtract the two like fractions:
216/180 - 90/180 = 216 - 90/180 = 126/180 - After reducing the fraction, the answer is 7/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 48/20-9/18 24/40-9/18 24/20-9/36 72/20-9/18 24/20-27/18 24/60-9/18 24/20-9/54 24/20-45/18 24/20-9/90 24/20-63/18