Add 12/20 and 32/54
12/20 + 32/54 is 161/135.
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,
12/20 = 12 × 27/20 × 27 = 324/540 - Likewise, for the 2nd fraction, since 54 × 10 = 540,
32/54 = 32 × 10/54 × 10 = 320/540 - Add the two like fractions:
324/540 + 320/540 = 324 + 320/540 = 644/540 - 644/540 simplified gives 161/135
- So, 12/20 + 32/54 = 161/135
In mixed form: 126/135
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/20+32/54 12/20+64/54 12/40+32/54 36/20+32/54 12/20+96/54 12/60+32/54 60/20+32/54 84/20+32/54