Add 14/9 and 45/70, Solve 1 5/9 + 45/70 as a fraction

Add 14/9 and 45/70

1^st number: 1 5/9, 2^nd number: 45/70

14/9 + 45/70 is 277/126.

Find the least common denominator or LCM of the two denominators:
LCM of 9 and 70 is 630

Next, find the equivalent fraction of both fractional numbers with denominator 630
For the 1st fraction, since 9 × 70 = 630,
14/9 = 14 × 70/9 × 70 = 980/630
Likewise, for the 2nd fraction, since 70 × 9 = 630,
45/70 = 45 × 9/70 × 9 = 405/630
Add the two like fractions:
980/630 + 405/630 = 980 + 405/630 = 1385/630
1385/630 simplified gives 277/126
So, 14/9 + 45/70 = 277/126
In mixed form: 225/126

MathStep (Works offline)

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