Add 30/28 and 5/30
1st number: 1 2/28, 2nd number: 5/30
30/28 + 5/30 is 26/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 30 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 28 × 15 = 420,
30/28 = 30 × 15/28 × 15 = 450/420 - Likewise, for the 2nd fraction, since 30 × 14 = 420,
5/30 = 5 × 14/30 × 14 = 70/420 - Add the two like fractions:
450/420 + 70/420 = 450 + 70/420 = 520/420 - 520/420 simplified gives 26/21
- So, 30/28 + 5/30 = 26/21
In mixed form: 15/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/28+5/30 30/28+10/30 30/56+5/30 30/28+5/60 90/28+5/30 30/28+15/30 30/84+5/30 30/28+5/90 30/28+25/30 30/28+35/30