Subtract 5/24 from 9/42
9/42 - 5/24 is 1/168.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 24 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 42 × 4 = 168,
9/42 = 9 × 4/42 × 4 = 36/168 - Likewise, for the 2nd fraction, since 24 × 7 = 168,
5/24 = 5 × 7/24 × 7 = 35/168 - Subtract the two like fractions:
36/168 - 35/168 = 36 - 35/168 = 1/168
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/42-5/24 9/42-10/24 9/84-5/24 9/42-5/48 27/42-5/24 9/42-15/24 9/42-5/72 45/42-5/24 9/42-25/24 63/42-5/24 9/42-35/24