Add 7/28 and 12/36
7/28 + 12/36 is 7/12.
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,
7/28 = 7 × 9/28 × 9 = 63/252 - Likewise, for the 2nd fraction, since 36 × 7 = 252,
12/36 = 12 × 7/36 × 7 = 84/252 - Add the two like fractions:
63/252 + 84/252 = 63 + 84/252 = 147/252 - 147/252 simplified gives 7/12
- So, 7/28 + 12/36 = 7/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/28+12/36 7/28+24/36 7/56+12/36 7/28+12/72 21/28+12/36 7/84+12/36 35/28+12/36 7/28+60/36 49/28+12/36 7/28+84/36