Add 10/12 and 40/30
1st number: 10/12, 2nd number: 1 10/30
10/12 + 40/30 is 13/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 30 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 12 × 5 = 60,
10/12 = 10 × 5/12 × 5 = 50/60 - Likewise, for the 2nd fraction, since 30 × 2 = 60,
40/30 = 40 × 2/30 × 2 = 80/60 - Add the two like fractions:
50/60 + 80/60 = 50 + 80/60 = 130/60 - 130/60 simplified gives 13/6
- So, 10/12 + 40/30 = 13/6
In mixed form: 21/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/12+40/30 10/12+80/30 10/24+40/30 10/12+40/60 30/12+40/30 10/36+40/30 10/12+40/90 50/12+40/30 10/60+40/30 70/12+40/30 10/84+40/30