Subtract 20/18 from 48/20
1st number: 2 8/20, 2nd number: 1 2/18
48/20 - 20/18 is 58/45.
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,
48/20 = 48 × 9/20 × 9 = 432/180 - Likewise, for the 2nd fraction, since 18 × 10 = 180,
20/18 = 20 × 10/18 × 10 = 200/180 - Subtract the two like fractions:
432/180 - 200/180 = 432 - 200/180 = 232/180 - After reducing the fraction, the answer is 58/45
- In mixed form: 113/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 96/20-20/18 48/20-40/18 48/40-20/18 48/20-20/36 48/20-60/18 48/60-20/18 48/20-20/54 48/20-20/90