Subtract 14/48 from 9/42
9/42 - 14/48 is -13/168.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 48 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 42 × 8 = 336,
9/42 = 9 × 8/42 × 8 = 72/336 - Likewise, for the 2nd fraction, since 48 × 7 = 336,
14/48 = 14 × 7/48 × 7 = 98/336 - Subtract the two like fractions:
72/336 - 98/336 = 72 - 98/336 = -26/336 - After reducing the fraction, the answer is -13/168
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/42-14/48 9/42-28/48 9/84-14/48 9/42-14/96 27/42-14/48 9/42-42/48 45/42-14/48 9/42-70/48 63/42-14/48 9/42-98/48