Add 10/28 and 30/36
10/28 + 30/36 is 25/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 36 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 28 × 9 = 252,
10/28 = 10 × 9/28 × 9 = 90/252 - Likewise, for the 2nd fraction, since 36 × 7 = 252,
30/36 = 30 × 7/36 × 7 = 210/252 - Add the two like fractions:
90/252 + 210/252 = 90 + 210/252 = 300/252 - 300/252 simplified gives 25/21
- So, 10/28 + 30/36 = 25/21
In mixed form: 14/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/28+30/36 10/28+60/36 10/56+30/36 10/28+30/72 30/28+30/36 10/28+90/36 10/84+30/36 50/28+30/36 70/28+30/36