Add 12/60 and 27/28
12/60 + 27/28 is 163/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 28 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 60 × 7 = 420,
12/60 = 12 × 7/60 × 7 = 84/420 - Likewise, for the 2nd fraction, since 28 × 15 = 420,
27/28 = 27 × 15/28 × 15 = 405/420 - Add the two like fractions:
84/420 + 405/420 = 84 + 405/420 = 489/420 - 489/420 simplified gives 163/140
- So, 12/60 + 27/28 = 163/140
In mixed form: 123/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/60+27/28 12/60+54/28 12/60+27/56 36/60+27/28 12/60+81/28 12/60+27/84 84/60+27/28