Add 12/16 and 25/84
12/16 + 25/84 is 22/21.
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,
25/84 = 25 × 4/84 × 4 = 100/336 - Add the two like fractions:
252/336 + 100/336 = 252 + 100/336 = 352/336 - 352/336 simplified gives 22/21
- So, 12/16 + 25/84 = 22/21
In mixed form: 11/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/16+25/84 12/16+50/84 12/32+25/84 36/16+25/84 12/16+75/84 12/48+25/84 60/16+25/84 12/80+25/84 84/16+25/84