Add 12/45 and 7/14
12/45 + 7/14 is 23/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 14 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 45 × 14 = 630,
12/45 = 12 × 14/45 × 14 = 168/630 - Likewise, for the 2nd fraction, since 14 × 45 = 630,
7/14 = 7 × 45/14 × 45 = 315/630 - Add the two like fractions:
168/630 + 315/630 = 168 + 315/630 = 483/630 - 483/630 simplified gives 23/30
- So, 12/45 + 7/14 = 23/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/45+7/14 12/90+7/14 12/45+7/28 36/45+7/14 12/45+21/14 12/45+7/42 60/45+7/14 12/45+35/14 12/45+7/70 84/45+7/14 12/45+49/14 12/45+7/98