Add 15/72 and 10/18
15/72 + 10/18 is 55/72.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 18 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 72 × 1 = 72,
15/72 = 15 × 1/72 × 1 = 15/72 - Likewise, for the 2nd fraction, since 18 × 4 = 72,
10/18 = 10 × 4/18 × 4 = 40/72 - Add the two like fractions:
15/72 + 40/72 = 15 + 40/72 = 55/72 - So, 15/72 + 10/18 = 55/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/72+10/18 15/72+20/18 15/72+10/36 45/72+10/18 15/72+30/18 15/72+10/54 75/72+10/18 15/72+50/18 15/72+10/90 15/72+70/18