Add 18/54 and 32/20
1st number: 18/54, 2nd number: 1 12/20
18/54 + 32/20 is 29/15.
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,
18/54 = 18 × 10/54 × 10 = 180/540 - Likewise, for the 2nd fraction, since 20 × 27 = 540,
32/20 = 32 × 27/20 × 27 = 864/540 - Add the two like fractions:
180/540 + 864/540 = 180 + 864/540 = 1044/540 - 1044/540 simplified gives 29/15
- So, 18/54 + 32/20 = 29/15
In mixed form: 114/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/54+32/20 18/54+64/20 18/54+32/40 18/54+96/20 18/54+32/60 90/54+32/20