Add 72/4 and 30/36
1st number: 18 0/4, 2nd number: 30/36
72/4 + 30/36 is 113/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 36 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 4 × 9 = 36,
72/4 = 72 × 9/4 × 9 = 648/36 - Likewise, for the 2nd fraction, since 36 × 1 = 36,
30/36 = 30 × 1/36 × 1 = 30/36 - Add the two like fractions:
648/36 + 30/36 = 648 + 30/36 = 678/36 - 678/36 simplified gives 113/6
- So, 72/4 + 30/36 = 113/6
In mixed form: 185/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/4+60/36 72/8+30/36 72/4+30/72 72/4+90/36 72/12+30/36 72/20+30/36 72/28+30/36