Add 72/20 and 1/54
1st number: 3 12/20, 2nd number: 1/54
72/20 + 1/54 is 977/270.
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,
1/54 = 1 × 10/54 × 10 = 10/540 - Add the two like fractions:
1944/540 + 10/540 = 1944 + 10/540 = 1954/540 - 1954/540 simplified gives 977/270
- So, 72/20 + 1/54 = 977/270
In mixed form: 3167/270
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/20+2/54 72/40+1/54 72/20+3/54 72/60+1/54 72/20+5/54 72/20+7/54