Add 3/12 and 70/60
1st number: 3/12, 2nd number: 1 10/60
3/12 + 70/60 is 17/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 60 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 12 × 5 = 60,
3/12 = 3 × 5/12 × 5 = 15/60 - Likewise, for the 2nd fraction, since 60 × 1 = 60,
70/60 = 70 × 1/60 × 1 = 70/60 - Add the two like fractions:
15/60 + 70/60 = 15 + 70/60 = 85/60 - 85/60 simplified gives 17/12
- So, 3/12 + 70/60 = 17/12
In mixed form: 15/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/12+70/60 3/24+70/60 9/12+70/60 3/36+70/60 15/12+70/60 3/60+70/60 21/12+70/60 3/84+70/60