Add 84/75 and 12/45
1st number: 1 9/75, 2nd number: 12/45
84/75 + 12/45 is 104/75.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 45 is 225
Next, find the equivalent fraction of both fractional numbers with denominator 225 - For the 1st fraction, since 75 × 3 = 225,
84/75 = 84 × 3/75 × 3 = 252/225 - Likewise, for the 2nd fraction, since 45 × 5 = 225,
12/45 = 12 × 5/45 × 5 = 60/225 - Add the two like fractions:
252/225 + 60/225 = 252 + 60/225 = 312/225 - 312/225 simplified gives 104/75
- So, 84/75 + 12/45 = 104/75
In mixed form: 129/75
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/75+24/45 84/75+12/90 84/75+36/45 84/75+60/45 84/75+84/45