Add 80/56 and 27/30
1st number: 1 24/56, 2nd number: 27/30
80/56 + 27/30 is 163/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 30 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 56 × 15 = 840,
80/56 = 80 × 15/56 × 15 = 1200/840 - Likewise, for the 2nd fraction, since 30 × 28 = 840,
27/30 = 27 × 28/30 × 28 = 756/840 - Add the two like fractions:
1200/840 + 756/840 = 1200 + 756/840 = 1956/840 - 1956/840 simplified gives 163/70
- So, 80/56 + 27/30 = 163/70
In mixed form: 223/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/56+54/30 80/56+27/60 80/56+81/30 80/56+27/90