Add 56/84 and 5/80
56/84 + 5/80 is 35/48.
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,
5/80 = 5 × 21/80 × 21 = 105/1680 - Add the two like fractions:
1120/1680 + 105/1680 = 1120 + 105/1680 = 1225/1680 - 1225/1680 simplified gives 35/48
- So, 56/84 + 5/80 = 35/48
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/84+10/80 56/84+15/80 56/84+25/80 56/84+35/80