Add 1/80 and 9/84
1/80 + 9/84 is 67/560.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 84 is 1680
Next, find the equivalent fraction of both fractional numbers with denominator 1680 - For the 1st fraction, since 80 × 21 = 1680,
1/80 = 1 × 21/80 × 21 = 21/1680 - Likewise, for the 2nd fraction, since 84 × 20 = 1680,
9/84 = 9 × 20/84 × 20 = 180/1680 - Add the two like fractions:
21/1680 + 180/1680 = 21 + 180/1680 = 201/1680 - 201/1680 simplified gives 67/560
- So, 1/80 + 9/84 = 67/560
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/80+9/84 1/80+18/84 3/80+9/84 1/80+27/84 5/80+9/84 1/80+45/84 7/80+9/84 1/80+63/84