Add 60/20 and 4/42, Solve 3 0/20 + 4/42 as a fraction

Add 60/20 and 4/42

1^st number: 3 0/20, 2^nd number: 4/42

60/20 + 4/42 is 65/21.

Find the least common denominator or LCM of the two denominators:
LCM of 20 and 42 is 420

Next, find the equivalent fraction of both fractional numbers with denominator 420
For the 1st fraction, since 20 × 21 = 420,
60/20 = 60 × 21/20 × 21 = 1260/420
Likewise, for the 2nd fraction, since 42 × 10 = 420,
4/42 = 4 × 10/42 × 10 = 40/420
Add the two like fractions:
1260/420 + 40/420 = 1260 + 40/420 = 1300/420
1300/420 simplified gives 65/21
So, 60/20 + 4/42 = 65/21
In mixed form: 32/21

MathStep (Works offline)

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