Add 84/12 and 54/30
1st number: 7 0/12, 2nd number: 1 24/30
84/12 + 54/30 is 44/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 30 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 12 × 5 = 60,
84/12 = 84 × 5/12 × 5 = 420/60 - Likewise, for the 2nd fraction, since 30 × 2 = 60,
54/30 = 54 × 2/30 × 2 = 108/60 - Add the two like fractions:
420/60 + 108/60 = 420 + 108/60 = 528/60 - 528/60 simplified gives 44/5
- So, 84/12 + 54/30 = 44/5
In mixed form: 84/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/24+54/30 84/12+54/60 84/36+54/30 84/12+54/90 84/60+54/30