Add 20/8 and 2/84
1st number: 2 4/8, 2nd number: 2/84
20/8 + 2/84 is 53/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 84 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 8 × 21 = 168,
20/8 = 20 × 21/8 × 21 = 420/168 - Likewise, for the 2nd fraction, since 84 × 2 = 168,
2/84 = 2 × 2/84 × 2 = 4/168 - Add the two like fractions:
420/168 + 4/168 = 420 + 4/168 = 424/168 - 424/168 simplified gives 53/21
- So, 20/8 + 2/84 = 53/21
In mixed form: 211/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/8+2/84 20/8+4/84 20/16+2/84 60/8+2/84 20/8+6/84 20/24+2/84 20/8+10/84 20/40+2/84 20/8+14/84 20/56+2/84