Add 12/14 and 7/90
12/14 + 7/90 is 589/630.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 90 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 14 × 45 = 630,
12/14 = 12 × 45/14 × 45 = 540/630 - Likewise, for the 2nd fraction, since 90 × 7 = 630,
7/90 = 7 × 7/90 × 7 = 49/630 - Add the two like fractions:
540/630 + 49/630 = 540 + 49/630 = 589/630 - So, 12/14 + 7/90 = 589/630
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/14+7/90 12/14+14/90 12/28+7/90 36/14+7/90 12/14+21/90 12/42+7/90 60/14+7/90 12/14+35/90 12/70+7/90 84/14+7/90 12/14+49/90 12/98+7/90