Subtract 8/48 from 9/20
9/20 - 8/48 is 17/60.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 48 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 20 × 12 = 240,
9/20 = 9 × 12/20 × 12 = 108/240 - Likewise, for the 2nd fraction, since 48 × 5 = 240,
8/48 = 8 × 5/48 × 5 = 40/240 - Subtract the two like fractions:
108/240 - 40/240 = 108 - 40/240 = 68/240 - After reducing the fraction, the answer is 17/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/20-8/48 9/20-16/48 9/40-8/48 9/20-8/96 27/20-8/48 9/20-24/48 9/60-8/48 45/20-8/48 9/20-40/48 63/20-8/48 9/20-56/48