Add 30/60 and 42/24
1st number: 30/60, 2nd number: 1 18/24
30/60 + 42/24 is 9/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 24 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 60 × 2 = 120,
30/60 = 30 × 2/60 × 2 = 60/120 - Likewise, for the 2nd fraction, since 24 × 5 = 120,
42/24 = 42 × 5/24 × 5 = 210/120 - Add the two like fractions:
60/120 + 210/120 = 60 + 210/120 = 270/120 - 270/120 simplified gives 9/4
- So, 30/60 + 42/24 = 9/4
In mixed form: 21/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/60+84/24 30/60+42/48 90/60+42/24 30/60+42/72