Add 15/75 and 12/7
1st number: 15/75, 2nd number: 1 5/7
15/75 + 12/7 is 67/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 7 is 525
Next, find the equivalent fraction of both fractional numbers with denominator 525 - For the 1st fraction, since 75 × 7 = 525,
15/75 = 15 × 7/75 × 7 = 105/525 - Likewise, for the 2nd fraction, since 7 × 75 = 525,
12/7 = 12 × 75/7 × 75 = 900/525 - Add the two like fractions:
105/525 + 900/525 = 105 + 900/525 = 1005/525 - 1005/525 simplified gives 67/35
- So, 15/75 + 12/7 = 67/35
In mixed form: 132/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/75+12/7 15/75+24/7 15/75+12/14 45/75+12/7 15/75+36/7 15/75+12/21 15/75+60/7 15/75+12/35 15/75+84/7 15/75+12/49