Add 14/42 and 90/9, Solve 14/42 + 10 0/9 as a fraction

Add 14/42 and 90/9

1^st number: 14/42, 2^nd number: 10 0/9

14/42 + 90/9 is 31/3.

Find the least common denominator or LCM of the two denominators:
LCM of 42 and 9 is 126

Next, find the equivalent fraction of both fractional numbers with denominator 126
For the 1st fraction, since 42 × 3 = 126,
14/42 = 14 × 3/42 × 3 = 42/126
Likewise, for the 2nd fraction, since 9 × 14 = 126,
90/9 = 90 × 14/9 × 14 = 1260/126
Add the two like fractions:
42/126 + 1260/126 = 42 + 1260/126 = 1302/126
1302/126 simplified gives 31/3
So, 14/42 + 90/9 = 31/3
In mixed form: 101/3

MathStep (Works offline)

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