Add 9/54 and 12/20
9/54 + 12/20 is 23/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 20 is 540
Next, find the equivalent fraction of both fractional numbers with denominator 540 - For the 1st fraction, since 54 × 10 = 540,
9/54 = 9 × 10/54 × 10 = 90/540 - Likewise, for the 2nd fraction, since 20 × 27 = 540,
12/20 = 12 × 27/20 × 27 = 324/540 - Add the two like fractions:
90/540 + 324/540 = 90 + 324/540 = 414/540 - 414/540 simplified gives 23/30
- So, 9/54 + 12/20 = 23/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/54+12/20 9/54+24/20 9/54+12/40 27/54+12/20 9/54+36/20 9/54+12/60 45/54+12/20 9/54+60/20 63/54+12/20 9/54+84/20