Add 30/25 and 42/27
1st number: 1 5/25, 2nd number: 1 15/27
30/25 + 42/27 is 124/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 27 is 675
Next, find the equivalent fraction of both fractional numbers with denominator 675 - For the 1st fraction, since 25 × 27 = 675,
30/25 = 30 × 27/25 × 27 = 810/675 - Likewise, for the 2nd fraction, since 27 × 25 = 675,
42/27 = 42 × 25/27 × 25 = 1050/675 - Add the two like fractions:
810/675 + 1050/675 = 810 + 1050/675 = 1860/675 - 1860/675 simplified gives 124/45
- So, 30/25 + 42/27 = 124/45
In mixed form: 234/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/25+42/27 30/25+84/27 30/50+42/27 30/25+42/54 90/25+42/27 30/75+42/27 30/25+42/81