Add 30/24 and 18/72
1st number: 1 6/24, 2nd number: 18/72
30/24 + 18/72 is 3/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 24 × 3 = 72,
30/24 = 30 × 3/24 × 3 = 90/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
18/72 = 18 × 1/72 × 1 = 18/72 - Add the two like fractions:
90/72 + 18/72 = 90 + 18/72 = 108/72 - 108/72 simplified gives 3/2
- So, 30/24 + 18/72 = 3/2
In mixed form: 11/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/24+18/72 30/24+36/72 30/48+18/72 90/24+18/72 30/24+54/72 30/72+18/72 30/24+90/72