Add 54/18 and 1/20
1st number: 3 0/18, 2nd number: 1/20
54/18 + 1/20 is 61/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 20 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 18 × 10 = 180,
54/18 = 54 × 10/18 × 10 = 540/180 - Likewise, for the 2nd fraction, since 20 × 9 = 180,
1/20 = 1 × 9/20 × 9 = 9/180 - Add the two like fractions:
540/180 + 9/180 = 540 + 9/180 = 549/180 - 549/180 simplified gives 61/20
- So, 54/18 + 1/20 = 61/20
In mixed form: 31/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/18+2/20 54/36+1/20 54/18+1/40 54/18+3/20 54/18+1/60 54/18+5/20 54/90+1/20 54/18+7/20