Add 84/2 and 12/15
1st number: 42 0/2, 2nd number: 12/15
84/2 + 12/15 is 214/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 15 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 2 × 15 = 30,
84/2 = 84 × 15/2 × 15 = 1260/30 - Likewise, for the 2nd fraction, since 15 × 2 = 30,
12/15 = 12 × 2/15 × 2 = 24/30 - Add the two like fractions:
1260/30 + 24/30 = 1260 + 24/30 = 1284/30 - 1284/30 simplified gives 214/5
- So, 84/2 + 12/15 = 214/5
In mixed form: 424/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/2+24/15 84/4+12/15 84/2+12/30 84/2+36/15 84/6+12/15 84/2+12/45 84/2+60/15 84/10+12/15 84/2+12/75 84/2+84/15 84/14+12/15