Add 8/30 and 42/12
1st number: 8/30, 2nd number: 3 6/12
8/30 + 42/12 is 113/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 12 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 30 × 2 = 60,
8/30 = 8 × 2/30 × 2 = 16/60 - Likewise, for the 2nd fraction, since 12 × 5 = 60,
42/12 = 42 × 5/12 × 5 = 210/60 - Add the two like fractions:
16/60 + 210/60 = 16 + 210/60 = 226/60 - 226/60 simplified gives 113/30
- So, 8/30 + 42/12 = 113/30
In mixed form: 323/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/30+42/12 8/30+84/12 8/60+42/12 8/30+42/24 24/30+42/12 8/90+42/12 8/30+42/36 40/30+42/12 8/30+42/60 56/30+42/12 8/30+42/84