Add 45/84 and 30/14
1st number: 45/84, 2nd number: 2 2/14
45/84 + 30/14 is 75/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 14 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 84 × 1 = 84,
45/84 = 45 × 1/84 × 1 = 45/84 - Likewise, for the 2nd fraction, since 14 × 6 = 84,
30/14 = 30 × 6/14 × 6 = 180/84 - Add the two like fractions:
45/84 + 180/84 = 45 + 180/84 = 225/84 - 225/84 simplified gives 75/28
- So, 45/84 + 30/14 = 75/28
In mixed form: 219/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/84+30/14 45/84+60/14 45/84+30/28 45/84+90/14 45/84+30/42 45/84+30/70 45/84+30/98