Add 6/14 and 90/70
1st number: 6/14, 2nd number: 1 20/70
6/14 + 90/70 is 12/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 70 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 14 × 5 = 70,
6/14 = 6 × 5/14 × 5 = 30/70 - Likewise, for the 2nd fraction, since 70 × 1 = 70,
90/70 = 90 × 1/70 × 1 = 90/70 - Add the two like fractions:
30/70 + 90/70 = 30 + 90/70 = 120/70 - 120/70 simplified gives 12/7
- So, 6/14 + 90/70 = 12/7
In mixed form: 15/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/14+90/70 6/28+90/70 18/14+90/70 6/42+90/70 30/14+90/70 6/70+90/70 42/14+90/70 6/98+90/70