Subtract 8/42 from 16/48
16/48 - 8/42 is 1/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 42 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 48 × 7 = 336,
16/48 = 16 × 7/48 × 7 = 112/336 - Likewise, for the 2nd fraction, since 42 × 8 = 336,
8/42 = 8 × 8/42 × 8 = 64/336 - Subtract the two like fractions:
112/336 - 64/336 = 112 - 64/336 = 48/336 - After reducing the fraction, the answer is 1/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/48-8/42 16/48-16/42 16/96-8/42 16/48-8/84 16/48-24/42 80/48-8/42 16/48-40/42 16/48-56/42