Add 15/50 and 21/27
15/50 + 21/27 is 97/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 27 is 1350
Next, find the equivalent fraction of both fractional numbers with denominator 1350 - For the 1st fraction, since 50 × 27 = 1350,
15/50 = 15 × 27/50 × 27 = 405/1350 - Likewise, for the 2nd fraction, since 27 × 50 = 1350,
21/27 = 21 × 50/27 × 50 = 1050/1350 - Add the two like fractions:
405/1350 + 1050/1350 = 405 + 1050/1350 = 1455/1350 - 1455/1350 simplified gives 97/90
- So, 15/50 + 21/27 = 97/90
In mixed form: 17/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/50+21/27 15/50+42/27 15/50+21/54 45/50+21/27 15/50+63/27 15/50+21/81 75/50+21/27