Subtract 49/16 from 80/84
1st number: 80/84, 2nd number: 3 1/16
80/84 - 49/16 is -709/336.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 16 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 84 × 4 = 336,
80/84 = 80 × 4/84 × 4 = 320/336 - Likewise, for the 2nd fraction, since 16 × 21 = 336,
49/16 = 49 × 21/16 × 21 = 1029/336 - Subtract the two like fractions:
320/336 - 1029/336 = 320 - 1029/336 = -709/336
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/84-98/16 80/84-49/32 80/84-49/48 80/84-49/80