Add 54/45 and 42/36
1st number: 1 9/45, 2nd number: 1 6/36
54/45 + 42/36 is 71/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 36 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 36 × 5 = 180,
42/36 = 42 × 5/36 × 5 = 210/180 - Add the two like fractions:
216/180 + 210/180 = 216 + 210/180 = 426/180 - 426/180 simplified gives 71/30
- So, 54/45 + 42/36 = 71/30
In mixed form: 211/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/45+84/36 54/90+42/36 54/45+42/72