Add 9/12 and 70/25
1st number: 9/12, 2nd number: 2 20/25
9/12 + 70/25 is 71/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 25 is 300
Next, find the equivalent fraction of both fractional numbers with denominator 300 - For the 1st fraction, since 12 × 25 = 300,
9/12 = 9 × 25/12 × 25 = 225/300 - Likewise, for the 2nd fraction, since 25 × 12 = 300,
70/25 = 70 × 12/25 × 12 = 840/300 - Add the two like fractions:
225/300 + 840/300 = 225 + 840/300 = 1065/300 - 1065/300 simplified gives 71/20
- So, 9/12 + 70/25 = 71/20
In mixed form: 311/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/12+70/25 9/24+70/25 9/12+70/50 27/12+70/25 9/36+70/25 9/12+70/75 45/12+70/25 9/60+70/25 63/12+70/25 9/84+70/25