Subtract 14/20 from 28/48
28/48 - 14/20 is -7/60.
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,
28/48 = 28 × 5/48 × 5 = 140/240 - Likewise, for the 2nd fraction, since 20 × 12 = 240,
14/20 = 14 × 12/20 × 12 = 168/240 - Subtract the two like fractions:
140/240 - 168/240 = 140 - 168/240 = -28/240 - After reducing the fraction, the answer is -7/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/48-14/20 28/48-28/20 28/96-14/20 28/48-14/40 84/48-14/20 28/48-42/20 28/48-14/60 28/48-70/20 28/48-98/20