Add 10/56 and 18/20
10/56 + 18/20 is 151/140.
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,
18/20 = 18 × 14/20 × 14 = 252/280 - Add the two like fractions:
50/280 + 252/280 = 50 + 252/280 = 302/280 - 302/280 simplified gives 151/140
- So, 10/56 + 18/20 = 151/140
In mixed form: 111/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/56+18/20 10/56+36/20 10/56+18/40 30/56+18/20 10/56+54/20 10/56+18/60 50/56+18/20 10/56+90/20 70/56+18/20