Add 1/25 and 81/12
1st number: 1/25, 2nd number: 6 9/12
1/25 + 81/12 is 679/100.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 12 is 300
Next, find the equivalent fraction of both fractional numbers with denominator 300 - For the 1st fraction, since 25 × 12 = 300,
1/25 = 1 × 12/25 × 12 = 12/300 - Likewise, for the 2nd fraction, since 12 × 25 = 300,
81/12 = 81 × 25/12 × 25 = 2025/300 - Add the two like fractions:
12/300 + 2025/300 = 12 + 2025/300 = 2037/300 - 2037/300 simplified gives 679/100
- So, 1/25 + 81/12 = 679/100
In mixed form: 679/100
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/25+81/12 1/50+81/12 1/25+81/24 3/25+81/12 1/75+81/12 1/25+81/36 5/25+81/12 1/25+81/60 7/25+81/12 1/25+81/84