Add 42/30 and 2/12
1st number: 1 12/30, 2nd number: 2/12
42/30 + 2/12 is 47/30.
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,
42/30 = 42 × 2/30 × 2 = 84/60 - Likewise, for the 2nd fraction, since 12 × 5 = 60,
2/12 = 2 × 5/12 × 5 = 10/60 - Add the two like fractions:
84/60 + 10/60 = 84 + 10/60 = 94/60 - 94/60 simplified gives 47/30
- So, 42/30 + 2/12 = 47/30
In mixed form: 117/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/30+2/12 42/30+4/12 42/60+2/12 42/30+2/24 42/30+6/12 42/90+2/12 42/30+2/36 42/30+10/12 42/30+2/60 42/30+14/12 42/30+2/84