Add 60/5 and 30/42, Solve 12 0/5 + 30/42 as a fraction

Add 60/5 and 30/42

1^st number: 12 0/5, 2^nd number: 30/42

60/5 + 30/42 is 89/7.

Find the least common denominator or LCM of the two denominators:
LCM of 5 and 42 is 210

Next, find the equivalent fraction of both fractional numbers with denominator 210
For the 1st fraction, since 5 × 42 = 210,
60/5 = 60 × 42/5 × 42 = 2520/210
Likewise, for the 2nd fraction, since 42 × 5 = 210,
30/42 = 30 × 5/42 × 5 = 150/210
Add the two like fractions:
2520/210 + 150/210 = 2520 + 150/210 = 2670/210
2670/210 simplified gives 89/7
So, 60/5 + 30/42 = 89/7
In mixed form: 125/7

MathStep (Works offline)

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