Add 49/12 and 90/24, Solve 4 1/12 + 3 18/24 as a fraction

Add 49/12 and 90/24

1^st number: 4 1/12, 2^nd number: 3 18/24

49/12 + 90/24 is 47/6.

Find the least common denominator or LCM of the two denominators:
LCM of 12 and 24 is 24

Next, find the equivalent fraction of both fractional numbers with denominator 24
For the 1st fraction, since 12 × 2 = 24,
49/12 = 49 × 2/12 × 2 = 98/24
Likewise, for the 2nd fraction, since 24 × 1 = 24,
90/24 = 90 × 1/24 × 1 = 90/24
Add the two like fractions:
98/24 + 90/24 = 98 + 90/24 = 188/24
188/24 simplified gives 47/6
So, 49/12 + 90/24 = 47/6
In mixed form: 75/6

MathStep (Works offline)

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