Subtract 1/16 from 7/42
7/42 - 1/16 is 5/48.
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,
7/42 = 7 × 8/42 × 8 = 56/336 - Likewise, for the 2nd fraction, since 16 × 21 = 336,
1/16 = 1 × 21/16 × 21 = 21/336 - Subtract the two like fractions:
56/336 - 21/336 = 56 - 21/336 = 35/336 - After reducing the fraction, the answer is 5/48
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/42-1/16 7/42-2/16 7/84-1/16 7/42-1/32 21/42-1/16 7/42-3/16 7/42-1/48 35/42-1/16 7/42-5/16 7/42-1/80 49/42-1/16 7/42-7/16