Add 14/15 and 90/70
1st number: 14/15, 2nd number: 1 20/70
14/15 + 90/70 is 233/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 70 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 15 × 14 = 210,
14/15 = 14 × 14/15 × 14 = 196/210 - Likewise, for the 2nd fraction, since 70 × 3 = 210,
90/70 = 90 × 3/70 × 3 = 270/210 - Add the two like fractions:
196/210 + 270/210 = 196 + 270/210 = 466/210 - 466/210 simplified gives 233/105
- So, 14/15 + 90/70 = 233/105
In mixed form: 223/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/15+90/70 14/30+90/70 42/15+90/70 14/45+90/70 70/15+90/70 14/75+90/70 98/15+90/70