Add 30/50 and 15/72
30/50 + 15/72 is 97/120.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 72 is 1800
Next, find the equivalent fraction of both fractional numbers with denominator 1800 - For the 1st fraction, since 50 × 36 = 1800,
30/50 = 30 × 36/50 × 36 = 1080/1800 - Likewise, for the 2nd fraction, since 72 × 25 = 1800,
15/72 = 15 × 25/72 × 25 = 375/1800 - Add the two like fractions:
1080/1800 + 375/1800 = 1080 + 375/1800 = 1455/1800 - 1455/1800 simplified gives 97/120
- So, 30/50 + 15/72 = 97/120
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/50+15/72 30/50+30/72 90/50+15/72 30/50+45/72 30/50+75/72