Add 12/28 and 6/45
12/28 + 6/45 is 59/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 45 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 28 × 45 = 1260,
12/28 = 12 × 45/28 × 45 = 540/1260 - Likewise, for the 2nd fraction, since 45 × 28 = 1260,
6/45 = 6 × 28/45 × 28 = 168/1260 - Add the two like fractions:
540/1260 + 168/1260 = 540 + 168/1260 = 708/1260 - 708/1260 simplified gives 59/105
- So, 12/28 + 6/45 = 59/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/28+6/45 12/28+12/45 12/56+6/45 12/28+6/90 36/28+6/45 12/28+18/45 12/84+6/45 60/28+6/45 12/28+30/45 84/28+6/45 12/28+42/45