Add 20/84 and 35/3
1st number: 20/84, 2nd number: 11 2/3
20/84 + 35/3 is 250/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 3 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 84 × 1 = 84,
20/84 = 20 × 1/84 × 1 = 20/84 - Likewise, for the 2nd fraction, since 3 × 28 = 84,
35/3 = 35 × 28/3 × 28 = 980/84 - Add the two like fractions:
20/84 + 980/84 = 20 + 980/84 = 1000/84 - 1000/84 simplified gives 250/21
- So, 20/84 + 35/3 = 250/21
In mixed form: 1119/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/84+35/3 20/84+70/3 20/84+35/6 60/84+35/3 20/84+35/9 20/84+35/15 20/84+35/21