Subtract 16/24 from 3/7
3/7 - 16/24 is -5/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 24 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 7 × 24 = 168,
3/7 = 3 × 24/7 × 24 = 72/168 - Likewise, for the 2nd fraction, since 24 × 7 = 168,
16/24 = 16 × 7/24 × 7 = 112/168 - Subtract the two like fractions:
72/168 - 112/168 = 72 - 112/168 = -40/168 - After reducing the fraction, the answer is -5/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/7-16/24 3/7-32/24 3/14-16/24 3/7-16/48 9/7-16/24 3/7-48/24 3/21-16/24 3/7-16/72 15/7-16/24 3/7-80/24 3/35-16/24 21/7-16/24 3/49-16/24