Subtract 2/16 from 80/42
1st number: 1 38/42, 2nd number: 2/16
80/42 - 2/16 is 299/168.
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,
80/42 = 80 × 8/42 × 8 = 640/336 - Likewise, for the 2nd fraction, since 16 × 21 = 336,
2/16 = 2 × 21/16 × 21 = 42/336 - Subtract the two like fractions:
640/336 - 42/336 = 640 - 42/336 = 598/336 - After reducing the fraction, the answer is 299/168
- In mixed form: 1131/168
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/42-4/16 80/84-2/16 80/42-2/32 80/42-6/16 80/42-2/48 80/42-10/16 80/42-2/80 80/42-14/16