Subtract 12/20 from 6/48
6/48 - 12/20 is -19/40.
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,
6/48 = 6 × 5/48 × 5 = 30/240 - Likewise, for the 2nd fraction, since 20 × 12 = 240,
12/20 = 12 × 12/20 × 12 = 144/240 - Subtract the two like fractions:
30/240 - 144/240 = 30 - 144/240 = -114/240 - After reducing the fraction, the answer is -19/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/48-12/20 6/48-24/20 6/96-12/20 6/48-12/40 18/48-12/20 6/48-36/20 6/48-12/60 30/48-12/20 6/48-60/20 42/48-12/20 6/48-84/20