Add 72/45 and 14/15
1st number: 1 27/45, 2nd number: 14/15
72/45 + 14/15 is 38/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 15 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 45 × 1 = 45,
72/45 = 72 × 1/45 × 1 = 72/45 - Likewise, for the 2nd fraction, since 15 × 3 = 45,
14/15 = 14 × 3/15 × 3 = 42/45 - Add the two like fractions:
72/45 + 42/45 = 72 + 42/45 = 114/45 - 114/45 simplified gives 38/15
- So, 72/45 + 14/15 = 38/15
In mixed form: 28/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/45+28/15 72/90+14/15 72/45+14/30 72/45+42/15 72/45+14/45 72/45+70/15 72/45+14/75 72/45+98/15