Add 72/15 and 24/45
1st number: 4 12/15, 2nd number: 24/45
72/15 + 24/45 is 16/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 45 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 15 × 3 = 45,
72/15 = 72 × 3/15 × 3 = 216/45 - Likewise, for the 2nd fraction, since 45 × 1 = 45,
24/45 = 24 × 1/45 × 1 = 24/45 - Add the two like fractions:
216/45 + 24/45 = 216 + 24/45 = 240/45 - 240/45 simplified gives 16/3
- So, 72/15 + 24/45 = 16/3
In mixed form: 51/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/15+48/45 72/30+24/45 72/15+24/90 72/15+72/45 72/45+24/45 72/75+24/45