Add 28/30 and 75/24, Solve 28/30 + 3 3/24 as a fraction

Add 28/30 and 75/24

1^st number: 28/30, 2^nd number: 3 3/24

28/30 + 75/24 is 487/120.

Find the least common denominator or LCM of the two denominators:
LCM of 30 and 24 is 120

Next, find the equivalent fraction of both fractional numbers with denominator 120
For the 1st fraction, since 30 × 4 = 120,
28/30 = 28 × 4/30 × 4 = 112/120
Likewise, for the 2nd fraction, since 24 × 5 = 120,
75/24 = 75 × 5/24 × 5 = 375/120
Add the two like fractions:
112/120 + 375/120 = 112 + 375/120 = 487/120
So, 28/30 + 75/24 = 487/120
In mixed form: 47/120

MathStep (Works offline)

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