Add 80/28 and 42/25
1st number: 2 24/28, 2nd number: 1 17/25
80/28 + 42/25 is 794/175.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 25 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 25 × 28 = 700,
42/25 = 42 × 28/25 × 28 = 1176/700 - Add the two like fractions:
2000/700 + 1176/700 = 2000 + 1176/700 = 3176/700 - 3176/700 simplified gives 794/175
- So, 80/28 + 42/25 = 794/175
In mixed form: 494/175
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/28+84/25 80/56+42/25 80/28+42/50 80/84+42/25 80/28+42/75