Add 18/45 and 12/14
18/45 + 12/14 is 44/35.
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,
18/45 = 18 × 14/45 × 14 = 252/630 - Likewise, for the 2nd fraction, since 14 × 45 = 630,
12/14 = 12 × 45/14 × 45 = 540/630 - Add the two like fractions:
252/630 + 540/630 = 252 + 540/630 = 792/630 - 792/630 simplified gives 44/35
- So, 18/45 + 12/14 = 44/35
In mixed form: 19/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/45+12/14 18/45+24/14 18/90+12/14 18/45+12/28 54/45+12/14 18/45+36/14 18/45+12/42 90/45+12/14 18/45+60/14 18/45+12/70 18/45+84/14 18/45+12/98