Add 30/28 and 20/54
1st number: 1 2/28, 2nd number: 20/54
30/28 + 20/54 is 545/378.
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,
20/54 = 20 × 14/54 × 14 = 280/756 - Add the two like fractions:
810/756 + 280/756 = 810 + 280/756 = 1090/756 - 1090/756 simplified gives 545/378
- So, 30/28 + 20/54 = 545/378
In mixed form: 1167/378
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/28+20/54 30/28+40/54 30/56+20/54 90/28+20/54 30/28+60/54 30/84+20/54