Add 75/54 and 60/72
1st number: 1 21/54, 2nd number: 60/72
75/54 + 60/72 is 20/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 72 is 216
Next, find the equivalent fraction of both fractional numbers with denominator 216 - For the 1st fraction, since 54 × 4 = 216,
75/54 = 75 × 4/54 × 4 = 300/216 - Likewise, for the 2nd fraction, since 72 × 3 = 216,
60/72 = 60 × 3/72 × 3 = 180/216 - Add the two like fractions:
300/216 + 180/216 = 300 + 180/216 = 480/216 - 480/216 simplified gives 20/9
- So, 75/54 + 60/72 = 20/9
In mixed form: 22/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: