Add 81/12 and 25/75
1st number: 6 9/12, 2nd number: 25/75
81/12 + 25/75 is 85/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 75 is 300
Next, find the equivalent fraction of both fractional numbers with denominator 300 - For the 1st fraction, since 12 × 25 = 300,
81/12 = 81 × 25/12 × 25 = 2025/300 - Likewise, for the 2nd fraction, since 75 × 4 = 300,
25/75 = 25 × 4/75 × 4 = 100/300 - Add the two like fractions:
2025/300 + 100/300 = 2025 + 100/300 = 2125/300 - 2125/300 simplified gives 85/12
- So, 81/12 + 25/75 = 85/12
In mixed form: 71/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/12+50/75 81/24+25/75 81/36+25/75 81/60+25/75 81/84+25/75