Add 84/10 and 12/30
1st number: 8 4/10, 2nd number: 12/30
84/10 + 12/30 is 44/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 30 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 10 × 3 = 30,
84/10 = 84 × 3/10 × 3 = 252/30 - Likewise, for the 2nd fraction, since 30 × 1 = 30,
12/30 = 12 × 1/30 × 1 = 12/30 - Add the two like fractions:
252/30 + 12/30 = 252 + 12/30 = 264/30 - 264/30 simplified gives 44/5
- So, 84/10 + 12/30 = 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: 84/10+24/30 84/20+12/30 84/10+12/60 84/10+36/30 84/30+12/30 84/10+12/90 84/10+60/30 84/50+12/30 84/10+84/30 84/70+12/30