Add 12/28 and 28/60
12/28 + 28/60 is 94/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 60 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 28 × 15 = 420,
12/28 = 12 × 15/28 × 15 = 180/420 - Likewise, for the 2nd fraction, since 60 × 7 = 420,
28/60 = 28 × 7/60 × 7 = 196/420 - Add the two like fractions:
180/420 + 196/420 = 180 + 196/420 = 376/420 - 376/420 simplified gives 94/105
- So, 12/28 + 28/60 = 94/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/28+28/60 12/28+56/60 12/56+28/60 36/28+28/60 12/28+84/60 12/84+28/60 60/28+28/60 84/28+28/60