Subtract 1/16 from 9/42
9/42 - 1/16 is 17/112.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 16 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 16 × 21 = 336,
1/16 = 1 × 21/16 × 21 = 21/336 - Subtract the two like fractions:
72/336 - 21/336 = 72 - 21/336 = 51/336 - After reducing the fraction, the answer is 17/112
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/42-1/16 9/42-2/16 9/84-1/16 9/42-1/32 27/42-1/16 9/42-3/16 9/42-1/48 45/42-1/16 9/42-5/16 9/42-1/80 63/42-1/16 9/42-7/16