Add 42/2 and 30/36
1st number: 21 0/2, 2nd number: 30/36
42/2 + 30/36 is 131/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 36 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 2 × 18 = 36,
42/2 = 42 × 18/2 × 18 = 756/36 - Likewise, for the 2nd fraction, since 36 × 1 = 36,
30/36 = 30 × 1/36 × 1 = 30/36 - Add the two like fractions:
756/36 + 30/36 = 756 + 30/36 = 786/36 - 786/36 simplified gives 131/6
- So, 42/2 + 30/36 = 131/6
In mixed form: 215/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/2+30/36 42/2+60/36 42/4+30/36 42/2+30/72 42/2+90/36 42/6+30/36 42/10+30/36 42/14+30/36