Add 12/8 and 84/16
1st number: 1 4/8, 2nd number: 5 4/16
12/8 + 84/16 is 27/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 16 is 16
Next, find the equivalent fraction of both fractional numbers with denominator 16 - For the 1st fraction, since 8 × 2 = 16,
12/8 = 12 × 2/8 × 2 = 24/16 - Likewise, for the 2nd fraction, since 16 × 1 = 16,
84/16 = 84 × 1/16 × 1 = 84/16 - Add the two like fractions:
24/16 + 84/16 = 24 + 84/16 = 108/16 - 108/16 simplified gives 27/4
- So, 12/8 + 84/16 = 27/4
In mixed form: 63/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/8+84/16 12/16+84/16 12/8+84/32 36/8+84/16 12/24+84/16 12/8+84/48 60/8+84/16 12/40+84/16 12/8+84/80 84/8+84/16 12/56+84/16