Add 42/25 and 30/12
1st number: 1 17/25, 2nd number: 2 6/12
42/25 + 30/12 is 209/50.
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,
42/25 = 42 × 12/25 × 12 = 504/300 - Likewise, for the 2nd fraction, since 12 × 25 = 300,
30/12 = 30 × 25/12 × 25 = 750/300 - Add the two like fractions:
504/300 + 750/300 = 504 + 750/300 = 1254/300 - 1254/300 simplified gives 209/50
- So, 42/25 + 30/12 = 209/50
In mixed form: 49/50
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/25+30/12 42/25+60/12 42/50+30/12 42/25+30/24 42/25+90/12 42/75+30/12 42/25+30/36 42/25+30/60 42/25+30/84