Add 12/28 and 2/30
12/28 + 2/30 is 52/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 30 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 30 × 14 = 420,
2/30 = 2 × 14/30 × 14 = 28/420 - Add the two like fractions:
180/420 + 28/420 = 180 + 28/420 = 208/420 - 208/420 simplified gives 52/105
- So, 12/28 + 2/30 = 52/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/28+2/30 12/28+4/30 12/56+2/30 12/28+2/60 36/28+2/30 12/28+6/30 12/84+2/30 12/28+2/90 60/28+2/30 12/28+10/30 84/28+2/30 12/28+14/30