Add 30/40 and 50/6
1st number: 30/40, 2nd number: 8 2/6
30/40 + 50/6 is 109/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 6 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 40 × 3 = 120,
30/40 = 30 × 3/40 × 3 = 90/120 - Likewise, for the 2nd fraction, since 6 × 20 = 120,
50/6 = 50 × 20/6 × 20 = 1000/120 - Add the two like fractions:
90/120 + 1000/120 = 90 + 1000/120 = 1090/120 - 1090/120 simplified gives 109/12
- So, 30/40 + 50/6 = 109/12
In mixed form: 91/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/40+50/6 30/80+50/6 30/40+50/12 90/40+50/6 30/40+50/18 30/40+50/30 30/40+50/42