Add 14/18 and 56/70, Solve 14/18 + 56/70 as a fraction

Add 14/18 and 56/70

14/18 + 56/70 is 71/45.

Find the least common denominator or LCM of the two denominators:
LCM of 18 and 70 is 630

Next, find the equivalent fraction of both fractional numbers with denominator 630
For the 1st fraction, since 18 × 35 = 630,
14/18 = 14 × 35/18 × 35 = 490/630
Likewise, for the 2nd fraction, since 70 × 9 = 630,
56/70 = 56 × 9/70 × 9 = 504/630
Add the two like fractions:
490/630 + 504/630 = 490 + 504/630 = 994/630
994/630 simplified gives 71/45
So, 14/18 + 56/70 = 71/45
In mixed form: 126/45

MathStep (Works offline)

Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad