Add 27/20 and 40/56
1st number: 1 7/20, 2nd number: 40/56
27/20 + 40/56 is 289/140.
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,
40/56 = 40 × 5/56 × 5 = 200/280 - Add the two like fractions:
378/280 + 200/280 = 378 + 200/280 = 578/280 - 578/280 simplified gives 289/140
- So, 27/20 + 40/56 = 289/140
In mixed form: 29/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/20+40/56 27/20+80/56 27/40+40/56 81/20+40/56 27/60+40/56