Add 8/20 and 30/54
8/20 + 30/54 is 43/45.
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,
8/20 = 8 × 27/20 × 27 = 216/540 - Likewise, for the 2nd fraction, since 54 × 10 = 540,
30/54 = 30 × 10/54 × 10 = 300/540 - Add the two like fractions:
216/540 + 300/540 = 216 + 300/540 = 516/540 - 516/540 simplified gives 43/45
- So, 8/20 + 30/54 = 43/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/20+30/54 8/20+60/54 8/40+30/54 24/20+30/54 8/20+90/54 8/60+30/54 40/20+30/54 56/20+30/54