Add 12/25 and 42/9
1st number: 12/25, 2nd number: 4 6/9
12/25 + 42/9 is 386/75.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 9 is 225
Next, find the equivalent fraction of both fractional numbers with denominator 225 - For the 1st fraction, since 25 × 9 = 225,
12/25 = 12 × 9/25 × 9 = 108/225 - Likewise, for the 2nd fraction, since 9 × 25 = 225,
42/9 = 42 × 25/9 × 25 = 1050/225 - Add the two like fractions:
108/225 + 1050/225 = 108 + 1050/225 = 1158/225 - 1158/225 simplified gives 386/75
- So, 12/25 + 42/9 = 386/75
In mixed form: 511/75
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/25+42/9 12/25+84/9 12/50+42/9 12/25+42/18 36/25+42/9 12/75+42/9 12/25+42/27 60/25+42/9 12/25+42/45 84/25+42/9 12/25+42/63