Add 30/15 and 20/27
1st number: 2 0/15, 2nd number: 20/27
30/15 + 20/27 is 74/27.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 27 is 135
Next, find the equivalent fraction of both fractional numbers with denominator 135 - For the 1st fraction, since 15 × 9 = 135,
30/15 = 30 × 9/15 × 9 = 270/135 - Likewise, for the 2nd fraction, since 27 × 5 = 135,
20/27 = 20 × 5/27 × 5 = 100/135 - Add the two like fractions:
270/135 + 100/135 = 270 + 100/135 = 370/135 - 370/135 simplified gives 74/27
- So, 30/15 + 20/27 = 74/27
In mixed form: 220/27
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/15+20/27 30/15+40/27 30/15+20/54 90/15+20/27 30/15+60/27 30/45+20/27 30/15+20/81 30/75+20/27