Add 54/45 and 1/12
1st number: 1 9/45, 2nd number: 1/12
54/45 + 1/12 is 77/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 12 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 45 × 4 = 180,
54/45 = 54 × 4/45 × 4 = 216/180 - Likewise, for the 2nd fraction, since 12 × 15 = 180,
1/12 = 1 × 15/12 × 15 = 15/180 - Add the two like fractions:
216/180 + 15/180 = 216 + 15/180 = 231/180 - 231/180 simplified gives 77/60
- So, 54/45 + 1/12 = 77/60
In mixed form: 117/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/45+2/12 54/90+1/12 54/45+1/24 54/45+3/12 54/45+1/36 54/45+5/12 54/45+1/60 54/45+7/12 54/45+1/84