Add 30/84 and 45/7
1st number: 30/84, 2nd number: 6 3/7
30/84 + 45/7 is 95/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 7 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 84 × 1 = 84,
30/84 = 30 × 1/84 × 1 = 30/84 - Likewise, for the 2nd fraction, since 7 × 12 = 84,
45/7 = 45 × 12/7 × 12 = 540/84 - Add the two like fractions:
30/84 + 540/84 = 30 + 540/84 = 570/84 - 570/84 simplified gives 95/14
- So, 30/84 + 45/7 = 95/14
In mixed form: 611/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/84+45/7 30/84+90/7 30/84+45/14 90/84+45/7 30/84+45/21 30/84+45/35 30/84+45/49