Add 25/8 and 84/12
1st number: 3 1/8, 2nd number: 7 0/12
25/8 + 84/12 is 81/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 12 is 24
Next, find the equivalent fraction of both fractional numbers with denominator 24 - For the 1st fraction, since 8 × 3 = 24,
25/8 = 25 × 3/8 × 3 = 75/24 - Likewise, for the 2nd fraction, since 12 × 2 = 24,
84/12 = 84 × 2/12 × 2 = 168/24 - Add the two like fractions:
75/24 + 168/24 = 75 + 168/24 = 243/24 - 243/24 simplified gives 81/8
- So, 25/8 + 84/12 = 81/8
In mixed form: 101/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/8+84/12 25/16+84/12 25/8+84/24 75/8+84/12 25/24+84/12 25/8+84/36 25/40+84/12 25/8+84/60 25/56+84/12