Add 40/2 and 50/81
1st number: 20 0/2, 2nd number: 50/81
40/2 + 50/81 is 1670/81.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 81 is 162
Next, find the equivalent fraction of both fractional numbers with denominator 162 - For the 1st fraction, since 2 × 81 = 162,
40/2 = 40 × 81/2 × 81 = 3240/162 - Likewise, for the 2nd fraction, since 81 × 2 = 162,
50/81 = 50 × 2/81 × 2 = 100/162 - Add the two like fractions:
3240/162 + 100/162 = 3240 + 100/162 = 3340/162 - 3340/162 simplified gives 1670/81
- So, 40/2 + 50/81 = 1670/81
In mixed form: 2050/81
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/2+50/81 40/4+50/81 40/6+50/81 40/10+50/81 40/14+50/81