Add 3/20 and 28/54
3/20 + 28/54 is 361/540.
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,
3/20 = 3 × 27/20 × 27 = 81/540 - Likewise, for the 2nd fraction, since 54 × 10 = 540,
28/54 = 28 × 10/54 × 10 = 280/540 - Add the two like fractions:
81/540 + 280/540 = 81 + 280/540 = 361/540 - So, 3/20 + 28/54 = 361/540
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/20+28/54 3/20+56/54 3/40+28/54 9/20+28/54 3/20+84/54 3/60+28/54 15/20+28/54 21/20+28/54