Add 15/27 and 20/10
1st number: 15/27, 2nd number: 2 0/10
15/27 + 20/10 is 23/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 10 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 27 × 10 = 270,
15/27 = 15 × 10/27 × 10 = 150/270 - Likewise, for the 2nd fraction, since 10 × 27 = 270,
20/10 = 20 × 27/10 × 27 = 540/270 - Add the two like fractions:
150/270 + 540/270 = 150 + 540/270 = 690/270 - 690/270 simplified gives 23/9
- So, 15/27 + 20/10 = 23/9
In mixed form: 25/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/27+20/10 15/27+40/10 15/54+20/10 45/27+20/10 15/27+60/10 15/81+20/10 15/27+20/30 75/27+20/10 15/27+20/50 15/27+20/70