Subtract 24/45 from 45/20
1st number: 2 5/20, 2nd number: 24/45
45/20 - 24/45 is 103/60.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 45 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 20 × 9 = 180,
45/20 = 45 × 9/20 × 9 = 405/180 - Likewise, for the 2nd fraction, since 45 × 4 = 180,
24/45 = 24 × 4/45 × 4 = 96/180 - Subtract the two like fractions:
405/180 - 96/180 = 405 - 96/180 = 309/180 - After reducing the fraction, the answer is 103/60
- In mixed form: 143/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/20-24/45 45/20-48/45 45/40-24/45 45/20-24/90 45/20-72/45 45/60-24/45