Add 30/28 and 7/84
1st number: 1 2/28, 2nd number: 7/84
30/28 + 7/84 is 97/84.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 84 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 28 × 3 = 84,
30/28 = 30 × 3/28 × 3 = 90/84 - Likewise, for the 2nd fraction, since 84 × 1 = 84,
7/84 = 7 × 1/84 × 1 = 7/84 - Add the two like fractions:
90/84 + 7/84 = 90 + 7/84 = 97/84 - So, 30/28 + 7/84 = 97/84
In mixed form: 113/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/28+7/84 30/28+14/84 30/56+7/84 90/28+7/84 30/28+21/84 30/84+7/84 30/28+35/84 30/28+49/84