Add 84/2 and 30/7
1st number: 42 0/2, 2nd number: 4 2/7
84/2 + 30/7 is 324/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 7 is 14
Next, find the equivalent fraction of both fractional numbers with denominator 14 - For the 1st fraction, since 2 × 7 = 14,
84/2 = 84 × 7/2 × 7 = 588/14 - Likewise, for the 2nd fraction, since 7 × 2 = 14,
30/7 = 30 × 2/7 × 2 = 60/14 - Add the two like fractions:
588/14 + 60/14 = 588 + 60/14 = 648/14 - 648/14 simplified gives 324/7
- So, 84/2 + 30/7 = 324/7
In mixed form: 462/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/2+60/7 84/4+30/7 84/2+30/14 84/2+90/7 84/6+30/7 84/2+30/21 84/10+30/7 84/2+30/35 84/14+30/7 84/2+30/49