Add 18/14 and 7/45
1st number: 1 4/14, 2nd number: 7/45
18/14 + 7/45 is 454/315.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 45 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 14 × 45 = 630,
18/14 = 18 × 45/14 × 45 = 810/630 - Likewise, for the 2nd fraction, since 45 × 14 = 630,
7/45 = 7 × 14/45 × 14 = 98/630 - Add the two like fractions:
810/630 + 98/630 = 810 + 98/630 = 908/630 - 908/630 simplified gives 454/315
- So, 18/14 + 7/45 = 454/315
In mixed form: 1139/315
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/14+7/45 18/14+14/45 18/28+7/45 18/14+7/90 54/14+7/45 18/14+21/45 18/42+7/45 90/14+7/45 18/14+35/45 18/70+7/45 18/14+49/45 18/98+7/45