Add 12/16 and 40/84
12/16 + 40/84 is 103/84.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 84 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 16 × 21 = 336,
12/16 = 12 × 21/16 × 21 = 252/336 - Likewise, for the 2nd fraction, since 84 × 4 = 336,
40/84 = 40 × 4/84 × 4 = 160/336 - Add the two like fractions:
252/336 + 160/336 = 252 + 160/336 = 412/336 - 412/336 simplified gives 103/84
- So, 12/16 + 40/84 = 103/84
In mixed form: 119/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/16+40/84 12/16+80/84 12/32+40/84 36/16+40/84 12/48+40/84 60/16+40/84 12/80+40/84 84/16+40/84