Add 12/28 and 80/25
1st number: 12/28, 2nd number: 3 5/25
12/28 + 80/25 is 127/35.
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,
12/28 = 12 × 25/28 × 25 = 300/700 - Likewise, for the 2nd fraction, since 25 × 28 = 700,
80/25 = 80 × 28/25 × 28 = 2240/700 - Add the two like fractions:
300/700 + 2240/700 = 300 + 2240/700 = 2540/700 - 2540/700 simplified gives 127/35
- So, 12/28 + 80/25 = 127/35
In mixed form: 322/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/28+80/25 12/56+80/25 12/28+80/50 36/28+80/25 12/84+80/25 12/28+80/75 60/28+80/25 84/28+80/25