Add 84/25 and 12/18
1st number: 3 9/25, 2nd number: 12/18
84/25 + 12/18 is 302/75.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 18 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 25 × 18 = 450,
84/25 = 84 × 18/25 × 18 = 1512/450 - Likewise, for the 2nd fraction, since 18 × 25 = 450,
12/18 = 12 × 25/18 × 25 = 300/450 - Add the two like fractions:
1512/450 + 300/450 = 1512 + 300/450 = 1812/450 - 1812/450 simplified gives 302/75
- So, 84/25 + 12/18 = 302/75
In mixed form: 42/75
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/25+24/18 84/50+12/18 84/25+12/36 84/25+36/18 84/75+12/18 84/25+12/54 84/25+60/18 84/25+12/90 84/25+84/18