Add 27/20 and 9/56
1st number: 1 7/20, 2nd number: 9/56
27/20 + 9/56 is 423/280.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 56 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 20 × 14 = 280,
27/20 = 27 × 14/20 × 14 = 378/280 - Likewise, for the 2nd fraction, since 56 × 5 = 280,
9/56 = 9 × 5/56 × 5 = 45/280 - Add the two like fractions:
378/280 + 45/280 = 378 + 45/280 = 423/280 - So, 27/20 + 9/56 = 423/280
In mixed form: 1143/280
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/20+9/56 27/20+18/56 27/40+9/56 81/20+9/56 27/20+27/56 27/60+9/56 27/20+45/56 27/20+63/56