Subtract 9/20 from 36/48
36/48 - 9/20 is 3/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 20 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 48 × 5 = 240,
36/48 = 36 × 5/48 × 5 = 180/240 - Likewise, for the 2nd fraction, since 20 × 12 = 240,
9/20 = 9 × 12/20 × 12 = 108/240 - Subtract the two like fractions:
180/240 - 108/240 = 180 - 108/240 = 72/240 - After reducing the fraction, the answer is 3/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/48-9/20 36/48-18/20 36/96-9/20 36/48-9/40 36/48-27/20 36/48-9/60 36/48-45/20 36/48-63/20