Add 56/84 and 36/80
56/84 + 36/80 is 67/60.
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,
56/84 = 56 × 20/84 × 20 = 1120/1680 - Likewise, for the 2nd fraction, since 80 × 21 = 1680,
36/80 = 36 × 21/80 × 21 = 756/1680 - Add the two like fractions:
1120/1680 + 756/1680 = 1120 + 756/1680 = 1876/1680 - 1876/1680 simplified gives 67/60
- So, 56/84 + 36/80 = 67/60
In mixed form: 17/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/84+72/80