Add 80/30 and 27/56
1st number: 2 20/30, 2nd number: 27/56
80/30 + 27/56 is 529/168.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 56 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 30 × 28 = 840,
80/30 = 80 × 28/30 × 28 = 2240/840 - Likewise, for the 2nd fraction, since 56 × 15 = 840,
27/56 = 27 × 15/56 × 15 = 405/840 - Add the two like fractions:
2240/840 + 405/840 = 2240 + 405/840 = 2645/840 - 2645/840 simplified gives 529/168
- So, 80/30 + 27/56 = 529/168
In mixed form: 325/168
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/30+54/56 80/60+27/56 80/30+81/56 80/90+27/56