Add 2/84 and 6/80
2/84 + 6/80 is 83/840.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 80 is 1680
Next, find the equivalent fraction of both fractional numbers with denominator 1680 - For the 1st fraction, since 84 × 20 = 1680,
2/84 = 2 × 20/84 × 20 = 40/1680 - Likewise, for the 2nd fraction, since 80 × 21 = 1680,
6/80 = 6 × 21/80 × 21 = 126/1680 - Add the two like fractions:
40/1680 + 126/1680 = 40 + 126/1680 = 166/1680 - 166/1680 simplified gives 83/840
- So, 2/84 + 6/80 = 83/840
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/84+6/80 2/84+12/80 6/84+6/80 2/84+18/80 10/84+6/80 2/84+30/80 14/84+6/80 2/84+42/80