Subtract 20/40 from 48/75
48/75 - 20/40 is 7/50.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 40 is 600
Next, find the equivalent fraction of both fractional numbers with denominator 600 - For the 1st fraction, since 75 × 8 = 600,
48/75 = 48 × 8/75 × 8 = 384/600 - Likewise, for the 2nd fraction, since 40 × 15 = 600,
20/40 = 20 × 15/40 × 15 = 300/600 - Subtract the two like fractions:
384/600 - 300/600 = 384 - 300/600 = 84/600 - After reducing the fraction, the answer is 7/50
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 96/75-20/40 48/75-20/80 48/75-60/40