Add 50/84 and 20/8
1st number: 50/84, 2nd number: 2 4/8
50/84 + 20/8 is 65/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 8 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 84 × 2 = 168,
50/84 = 50 × 2/84 × 2 = 100/168 - Likewise, for the 2nd fraction, since 8 × 21 = 168,
20/8 = 20 × 21/8 × 21 = 420/168 - Add the two like fractions:
100/168 + 420/168 = 100 + 420/168 = 520/168 - 520/168 simplified gives 65/21
- So, 50/84 + 20/8 = 65/21
In mixed form: 32/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/84+40/8 50/84+20/16 50/84+60/8 50/84+20/24 50/84+20/40 50/84+20/56