Add 70/40 and 5/6
1st number: 1 30/40, 2nd number: 5/6
70/40 + 5/6 is 31/12.
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,
70/40 = 70 × 3/40 × 3 = 210/120 - Likewise, for the 2nd fraction, since 6 × 20 = 120,
5/6 = 5 × 20/6 × 20 = 100/120 - Add the two like fractions:
210/120 + 100/120 = 210 + 100/120 = 310/120 - 310/120 simplified gives 31/12
- So, 70/40 + 5/6 = 31/12
In mixed form: 27/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/40+10/6 70/80+5/6 70/40+5/12 70/40+15/6 70/40+5/18 70/40+25/6 70/40+5/30 70/40+35/6 70/40+5/42