Add 72/30 and 45/54
1st number: 2 12/30, 2nd number: 45/54
72/30 + 45/54 is 97/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 54 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 30 × 9 = 270,
72/30 = 72 × 9/30 × 9 = 648/270 - Likewise, for the 2nd fraction, since 54 × 5 = 270,
45/54 = 45 × 5/54 × 5 = 225/270 - Add the two like fractions:
648/270 + 225/270 = 648 + 225/270 = 873/270 - 873/270 simplified gives 97/30
- So, 72/30 + 45/54 = 97/30
In mixed form: 37/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/30+90/54 72/60+45/54 72/90+45/54