Add 30/2 and 2/80, Solve 15 0/2 + 2/80 as a fraction

Add 30/2 and 2/80

1^st number: 15 0/2, 2^nd number: 2/80

30/2 + 2/80 is 601/40.

Find the least common denominator or LCM of the two denominators:
LCM of 2 and 80 is 80

Next, find the equivalent fraction of both fractional numbers with denominator 80
For the 1st fraction, since 2 × 40 = 80,
30/2 = 30 × 40/2 × 40 = 1200/80
Likewise, for the 2nd fraction, since 80 × 1 = 80,
2/80 = 2 × 1/80 × 1 = 2/80
Add the two like fractions:
1200/80 + 2/80 = 1200 + 2/80 = 1202/80
1202/80 simplified gives 601/40
So, 30/2 + 2/80 = 601/40
In mixed form: 151/40

MathStep (Works offline)

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