Add 30/28 and 10/84
1st number: 1 2/28, 2nd number: 10/84
30/28 + 10/84 is 25/21.
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,
10/84 = 10 × 1/84 × 1 = 10/84 - Add the two like fractions:
90/84 + 10/84 = 90 + 10/84 = 100/84 - 100/84 simplified gives 25/21
- So, 30/28 + 10/84 = 25/21
In mixed form: 14/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/28+10/84 30/28+20/84 30/56+10/84 90/28+10/84 30/28+30/84 30/84+10/84 30/28+50/84 30/28+70/84