Add 30/84 and 7/12
30/84 + 7/12 is 79/84.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 12 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 12 × 7 = 84,
7/12 = 7 × 7/12 × 7 = 49/84 - Add the two like fractions:
30/84 + 49/84 = 30 + 49/84 = 79/84 - So, 30/84 + 7/12 = 79/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/84+7/12 30/84+14/12 30/84+7/24 90/84+7/12 30/84+21/12 30/84+7/36 30/84+35/12 30/84+7/60 30/84+49/12 30/84+7/84