Add 60/12 and 70/40
1st number: 5 0/12, 2nd number: 1 30/40
60/12 + 70/40 is 27/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 40 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 12 × 10 = 120,
60/12 = 60 × 10/12 × 10 = 600/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
70/40 = 70 × 3/40 × 3 = 210/120 - Add the two like fractions:
600/120 + 210/120 = 600 + 210/120 = 810/120 - 810/120 simplified gives 27/4
- So, 60/12 + 70/40 = 27/4
In mixed form: 63/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/24+70/40 60/12+70/80 60/36+70/40 60/84+70/40