Add 72/15 and 48/54
1st number: 4 12/15, 2nd number: 48/54
72/15 + 48/54 is 256/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 54 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 15 × 18 = 270,
72/15 = 72 × 18/15 × 18 = 1296/270 - Likewise, for the 2nd fraction, since 54 × 5 = 270,
48/54 = 48 × 5/54 × 5 = 240/270 - Add the two like fractions:
1296/270 + 240/270 = 1296 + 240/270 = 1536/270 - 1536/270 simplified gives 256/45
- So, 72/15 + 48/54 = 256/45
In mixed form: 531/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/15+96/54 72/30+48/54 72/45+48/54 72/75+48/54