Add 30/12 and 48/30, Solve 2 6/12 + 1 18/30 as a fraction

Add 30/12 and 48/30

1^st number: 2 6/12, 2^nd number: 1 18/30

30/12 + 48/30 is 41/10.

Find the least common denominator or LCM of the two denominators:
LCM of 12 and 30 is 60

Next, find the equivalent fraction of both fractional numbers with denominator 60
For the 1st fraction, since 12 × 5 = 60,
30/12 = 30 × 5/12 × 5 = 150/60
Likewise, for the 2nd fraction, since 30 × 2 = 60,
48/30 = 48 × 2/30 × 2 = 96/60
Add the two like fractions:
150/60 + 96/60 = 150 + 96/60 = 246/60
246/60 simplified gives 41/10
So, 30/12 + 48/30 = 41/10
In mixed form: 41/10

MathStep (Works offline)

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