Add 30/28 and 80/54
1st number: 1 2/28, 2nd number: 1 26/54
30/28 + 80/54 is 965/378.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 54 is 756
Next, find the equivalent fraction of both fractional numbers with denominator 756 - For the 1st fraction, since 28 × 27 = 756,
30/28 = 30 × 27/28 × 27 = 810/756 - Likewise, for the 2nd fraction, since 54 × 14 = 756,
80/54 = 80 × 14/54 × 14 = 1120/756 - Add the two like fractions:
810/756 + 1120/756 = 810 + 1120/756 = 1930/756 - 1930/756 simplified gives 965/378
- So, 30/28 + 80/54 = 965/378
In mixed form: 2209/378
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/28+80/54 30/56+80/54 90/28+80/54 30/84+80/54