Add 9/72 and 15/50
9/72 + 15/50 is 17/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 50 is 1800
Next, find the equivalent fraction of both fractional numbers with denominator 1800 - For the 1st fraction, since 72 × 25 = 1800,
9/72 = 9 × 25/72 × 25 = 225/1800 - Likewise, for the 2nd fraction, since 50 × 36 = 1800,
15/50 = 15 × 36/50 × 36 = 540/1800 - Add the two like fractions:
225/1800 + 540/1800 = 225 + 540/1800 = 765/1800 - 765/1800 simplified gives 17/40
- So, 9/72 + 15/50 = 17/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/72+15/50 9/72+30/50 27/72+15/50 9/72+45/50 45/72+15/50 9/72+75/50 63/72+15/50