Add 70/56 and 27/20
1st number: 1 14/56, 2nd number: 1 7/20
70/56 + 27/20 is 13/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 20 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 56 × 5 = 280,
70/56 = 70 × 5/56 × 5 = 350/280 - Likewise, for the 2nd fraction, since 20 × 14 = 280,
27/20 = 27 × 14/20 × 14 = 378/280 - Add the two like fractions:
350/280 + 378/280 = 350 + 378/280 = 728/280 - 728/280 simplified gives 13/5
- So, 70/56 + 27/20 = 13/5
In mixed form: 23/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/56+54/20 70/56+27/40 70/56+81/20 70/56+27/60