Add 15/72 and 27/45
15/72 + 27/45 is 97/120.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 45 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 72 × 5 = 360,
15/72 = 15 × 5/72 × 5 = 75/360 - Likewise, for the 2nd fraction, since 45 × 8 = 360,
27/45 = 27 × 8/45 × 8 = 216/360 - Add the two like fractions:
75/360 + 216/360 = 75 + 216/360 = 291/360 - 291/360 simplified gives 97/120
- So, 15/72 + 27/45 = 97/120
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/72+27/45 15/72+54/45 15/72+27/90 45/72+27/45 15/72+81/45 75/72+27/45