Add 30/28 and 2/84
1st number: 1 2/28, 2nd number: 2/84
30/28 + 2/84 is 23/21.
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,
2/84 = 2 × 1/84 × 1 = 2/84 - Add the two like fractions:
90/84 + 2/84 = 90 + 2/84 = 92/84 - 92/84 simplified gives 23/21
- So, 30/28 + 2/84 = 23/21
In mixed form: 12/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/28+2/84 30/28+4/84 30/56+2/84 90/28+2/84 30/28+6/84 30/84+2/84 30/28+10/84 30/28+14/84