Add 10/30 and 30/27
1st number: 10/30, 2nd number: 1 3/27
10/30 + 30/27 is 13/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 27 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 30 × 9 = 270,
10/30 = 10 × 9/30 × 9 = 90/270 - Likewise, for the 2nd fraction, since 27 × 10 = 270,
30/27 = 30 × 10/27 × 10 = 300/270 - Add the two like fractions:
90/270 + 300/270 = 90 + 300/270 = 390/270 - 390/270 simplified gives 13/9
- So, 10/30 + 30/27 = 13/9
In mixed form: 14/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/30+30/27 10/30+60/27 10/60+30/27 10/30+30/54 10/30+90/27 10/90+30/27 10/30+30/81 50/30+30/27 70/30+30/27