Add 1/84 and 12/16
1/84 + 12/16 is 16/21.
Steps for adding 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,
1/84 = 1 × 4/84 × 4 = 4/336 - Likewise, for the 2nd fraction, since 16 × 21 = 336,
12/16 = 12 × 21/16 × 21 = 252/336 - Add the two like fractions:
4/336 + 252/336 = 4 + 252/336 = 256/336 - 256/336 simplified gives 16/21
- So, 1/84 + 12/16 = 16/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/84+12/16 1/84+24/16 1/84+12/32 3/84+12/16 1/84+36/16 1/84+12/48 5/84+12/16 1/84+60/16 1/84+12/80 7/84+12/16 1/84+84/16