Add 14/12 and 90/48, Solve 1 2/12 + 1 42/48 as a fraction

Add 14/12 and 90/48

1^st number: 1 2/12, 2^nd number: 1 42/48

14/12 + 90/48 is 73/24.

Find the least common denominator or LCM of the two denominators:
LCM of 12 and 48 is 48

Next, find the equivalent fraction of both fractional numbers with denominator 48
For the 1st fraction, since 12 × 4 = 48,
14/12 = 14 × 4/12 × 4 = 56/48
Likewise, for the 2nd fraction, since 48 × 1 = 48,
90/48 = 90 × 1/48 × 1 = 90/48
Add the two like fractions:
56/48 + 90/48 = 56 + 90/48 = 146/48
146/48 simplified gives 73/24
So, 14/12 + 90/48 = 73/24
In mixed form: 31/24

MathStep (Works offline)

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