Add 10/56 and 28/20
1st number: 10/56, 2nd number: 1 8/20
10/56 + 28/20 is 221/140.
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,
10/56 = 10 × 5/56 × 5 = 50/280 - Likewise, for the 2nd fraction, since 20 × 14 = 280,
28/20 = 28 × 14/20 × 14 = 392/280 - Add the two like fractions:
50/280 + 392/280 = 50 + 392/280 = 442/280 - 442/280 simplified gives 221/140
- So, 10/56 + 28/20 = 221/140
In mixed form: 181/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/56+28/20 10/56+56/20 10/56+28/40 30/56+28/20 10/56+84/20 10/56+28/60 50/56+28/20 70/56+28/20