Add 28/50 and 27/42
28/50 + 27/42 is 421/350.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 42 is 1050
Next, find the equivalent fraction of both fractional numbers with denominator 1050 - For the 1st fraction, since 50 × 21 = 1050,
28/50 = 28 × 21/50 × 21 = 588/1050 - Likewise, for the 2nd fraction, since 42 × 25 = 1050,
27/42 = 27 × 25/42 × 25 = 675/1050 - Add the two like fractions:
588/1050 + 675/1050 = 588 + 675/1050 = 1263/1050 - 1263/1050 simplified gives 421/350
- So, 28/50 + 27/42 = 421/350
In mixed form: 171/350
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/50+27/42 28/50+54/42 28/50+27/84 84/50+27/42 28/50+81/42