Add 12/14 and 90/9
1st number: 12/14, 2nd number: 10 0/9
12/14 + 90/9 is 76/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 9 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 14 × 9 = 126,
12/14 = 12 × 9/14 × 9 = 108/126 - Likewise, for the 2nd fraction, since 9 × 14 = 126,
90/9 = 90 × 14/9 × 14 = 1260/126 - Add the two like fractions:
108/126 + 1260/126 = 108 + 1260/126 = 1368/126 - 1368/126 simplified gives 76/7
- So, 12/14 + 90/9 = 76/7
In mixed form: 106/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/14+90/9 12/28+90/9 12/14+90/18 36/14+90/9 12/42+90/9 12/14+90/27 60/14+90/9 12/70+90/9 12/14+90/45 84/14+90/9 12/98+90/9 12/14+90/63