Add 70/12 and 80/75
1st number: 5 10/12, 2nd number: 1 5/75
70/12 + 80/75 is 69/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 75 is 300
Next, find the equivalent fraction of both fractional numbers with denominator 300 - For the 1st fraction, since 12 × 25 = 300,
70/12 = 70 × 25/12 × 25 = 1750/300 - Likewise, for the 2nd fraction, since 75 × 4 = 300,
80/75 = 80 × 4/75 × 4 = 320/300 - Add the two like fractions:
1750/300 + 320/300 = 1750 + 320/300 = 2070/300 - 2070/300 simplified gives 69/10
- So, 70/12 + 80/75 = 69/10
In mixed form: 69/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/24+80/75 70/36+80/75 70/60+80/75 70/84+80/75