Add 10/27 and 30/28
1st number: 10/27, 2nd number: 1 2/28
10/27 + 30/28 is 545/378.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 28 is 756
Next, find the equivalent fraction of both fractional numbers with denominator 756 - For the 1st fraction, since 27 × 28 = 756,
10/27 = 10 × 28/27 × 28 = 280/756 - Likewise, for the 2nd fraction, since 28 × 27 = 756,
30/28 = 30 × 27/28 × 27 = 810/756 - Add the two like fractions:
280/756 + 810/756 = 280 + 810/756 = 1090/756 - 1090/756 simplified gives 545/378
- So, 10/27 + 30/28 = 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: 20/27+30/28 10/27+60/28 10/54+30/28 10/27+30/56 30/27+30/28 10/27+90/28 10/81+30/28 10/27+30/84 50/27+30/28 70/27+30/28