Subtract 20/8 from 72/24
1st number: 3 0/24, 2nd number: 2 4/8
72/24 - 20/8 is 1/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 8 is 24
Next, find the equivalent fraction of both fractional numbers with denominator 24 - For the 1st fraction, since 24 × 1 = 24,
72/24 = 72 × 1/24 × 1 = 72/24 - Likewise, for the 2nd fraction, since 8 × 3 = 24,
20/8 = 20 × 3/8 × 3 = 60/24 - Subtract the two like fractions:
72/24 - 60/24 = 72 - 60/24 = 12/24 - After reducing the fraction, the answer is 1/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/24-40/8 72/48-20/8 72/24-20/16 72/24-60/8 72/24-20/24 72/24-20/40 72/24-20/56