Add 72/20 and 9/54
1st number: 3 12/20, 2nd number: 9/54
72/20 + 9/54 is 113/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 54 is 540
Next, find the equivalent fraction of both fractional numbers with denominator 540 - For the 1st fraction, since 20 × 27 = 540,
72/20 = 72 × 27/20 × 27 = 1944/540 - Likewise, for the 2nd fraction, since 54 × 10 = 540,
9/54 = 9 × 10/54 × 10 = 90/540 - Add the two like fractions:
1944/540 + 90/540 = 1944 + 90/540 = 2034/540 - 2034/540 simplified gives 113/30
- So, 72/20 + 9/54 = 113/30
In mixed form: 323/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/20+18/54 72/40+9/54 72/20+27/54 72/60+9/54 72/20+45/54 72/20+63/54