Add 8/14 and 12/90
8/14 + 12/90 is 74/105.
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,
8/14 = 8 × 45/14 × 45 = 360/630 - Likewise, for the 2nd fraction, since 90 × 7 = 630,
12/90 = 12 × 7/90 × 7 = 84/630 - Add the two like fractions:
360/630 + 84/630 = 360 + 84/630 = 444/630 - 444/630 simplified gives 74/105
- So, 8/14 + 12/90 = 74/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/14+12/90 8/14+24/90 8/28+12/90 24/14+12/90 8/14+36/90 8/42+12/90 40/14+12/90 8/14+60/90 8/70+12/90 56/14+12/90 8/14+84/90 8/98+12/90