Subtract 20/40 from 48/3
1st number: 16 0/3, 2nd number: 20/40
48/3 - 20/40 is 31/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 40 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 3 × 40 = 120,
48/3 = 48 × 40/3 × 40 = 1920/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
20/40 = 20 × 3/40 × 3 = 60/120 - Subtract the two like fractions:
1920/120 - 60/120 = 1920 - 60/120 = 1860/120 - After reducing the fraction, the answer is 31/2
- In mixed form: 151/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 96/3-20/40 48/6-20/40 48/3-20/80 48/3-60/40 48/9-20/40 48/15-20/40 48/21-20/40