Add 28/50 and 30/42
28/50 + 30/42 is 223/175.
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,
30/42 = 30 × 25/42 × 25 = 750/1050 - Add the two like fractions:
588/1050 + 750/1050 = 588 + 750/1050 = 1338/1050 - 1338/1050 simplified gives 223/175
- So, 28/50 + 30/42 = 223/175
In mixed form: 148/175
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/50+30/42 28/50+60/42 28/50+30/84 84/50+30/42 28/50+90/42