Add 15/50 and 15/72
15/50 + 15/72 is 61/120.
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,
15/50 = 15 × 36/50 × 36 = 540/1800 - Likewise, for the 2nd fraction, since 72 × 25 = 1800,
15/72 = 15 × 25/72 × 25 = 375/1800 - Add the two like fractions:
540/1800 + 375/1800 = 540 + 375/1800 = 915/1800 - 915/1800 simplified gives 61/120
- So, 15/50 + 15/72 = 61/120
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/50+15/72 15/50+30/72 45/50+15/72 15/50+45/72 75/50+15/72 15/50+75/72