Add 15/75 and 70/12
1st number: 15/75, 2nd number: 5 10/12
15/75 + 70/12 is 181/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 12 is 300
Next, find the equivalent fraction of both fractional numbers with denominator 300 - For the 1st fraction, since 75 × 4 = 300,
15/75 = 15 × 4/75 × 4 = 60/300 - Likewise, for the 2nd fraction, since 12 × 25 = 300,
70/12 = 70 × 25/12 × 25 = 1750/300 - Add the two like fractions:
60/300 + 1750/300 = 60 + 1750/300 = 1810/300 - 1810/300 simplified gives 181/30
- So, 15/75 + 70/12 = 181/30
In mixed form: 61/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/75+70/12 15/75+70/24 45/75+70/12 15/75+70/36 15/75+70/60 15/75+70/84