Add 80/28 and 42/50
1st number: 2 24/28, 2nd number: 42/50
80/28 + 42/50 is 647/175.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 50 is 700
Next, find the equivalent fraction of both fractional numbers with denominator 700 - For the 1st fraction, since 28 × 25 = 700,
80/28 = 80 × 25/28 × 25 = 2000/700 - Likewise, for the 2nd fraction, since 50 × 14 = 700,
42/50 = 42 × 14/50 × 14 = 588/700 - Add the two like fractions:
2000/700 + 588/700 = 2000 + 588/700 = 2588/700 - 2588/700 simplified gives 647/175
- So, 80/28 + 42/50 = 647/175
In mixed form: 3122/175
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/28+84/50 80/56+42/50 80/84+42/50