Add 18/56 and 45/50
18/56 + 45/50 is 171/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 50 is 1400
Next, find the equivalent fraction of both fractional numbers with denominator 1400 - For the 1st fraction, since 56 × 25 = 1400,
18/56 = 18 × 25/56 × 25 = 450/1400 - Likewise, for the 2nd fraction, since 50 × 28 = 1400,
45/50 = 45 × 28/50 × 28 = 1260/1400 - Add the two like fractions:
450/1400 + 1260/1400 = 450 + 1260/1400 = 1710/1400 - 1710/1400 simplified gives 171/140
- So, 18/56 + 45/50 = 171/140
In mixed form: 131/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/56+45/50 18/56+90/50 54/56+45/50 90/56+45/50