Add 72/30 and 56/54
1st number: 2 12/30, 2nd number: 1 2/54
72/30 + 56/54 is 464/135.
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,
56/54 = 56 × 5/54 × 5 = 280/270 - Add the two like fractions:
648/270 + 280/270 = 648 + 280/270 = 928/270 - 928/270 simplified gives 464/135
- So, 72/30 + 56/54 = 464/135
In mixed form: 359/135
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/60+56/54 72/90+56/54