Add 15/20 and 24/27
15/20 + 24/27 is 59/36.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 27 is 540
Next, find the equivalent fraction of both fractional numbers with denominator 540 - For the 1st fraction, since 20 × 27 = 540,
15/20 = 15 × 27/20 × 27 = 405/540 - Likewise, for the 2nd fraction, since 27 × 20 = 540,
24/27 = 24 × 20/27 × 20 = 480/540 - Add the two like fractions:
405/540 + 480/540 = 405 + 480/540 = 885/540 - 885/540 simplified gives 59/36
- So, 15/20 + 24/27 = 59/36
In mixed form: 123/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/20+24/27 15/20+48/27 15/40+24/27 15/20+24/54 45/20+24/27 15/20+72/27 15/60+24/27 15/20+24/81 75/20+24/27