Add 24/7 and 48/18, Solve 3 3/7 + 2 12/18 as a fraction

Add 24/7 and 48/18

1^st number: 3 3/7, 2^nd number: 2 12/18

24/7 + 48/18 is 128/21.

Find the least common denominator or LCM of the two denominators:
LCM of 7 and 18 is 126

Next, find the equivalent fraction of both fractional numbers with denominator 126
For the 1st fraction, since 7 × 18 = 126,
24/7 = 24 × 18/7 × 18 = 432/126
Likewise, for the 2nd fraction, since 18 × 7 = 126,
48/18 = 48 × 7/18 × 7 = 336/126
Add the two like fractions:
432/126 + 336/126 = 432 + 336/126 = 768/126
768/126 simplified gives 128/21
So, 24/7 + 48/18 = 128/21
In mixed form: 62/21

MathStep (Works offline)

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