Add 63/45 and 40/54
1st number: 1 18/45, 2nd number: 40/54
63/45 + 40/54 is 289/135.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 54 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 45 × 6 = 270,
63/45 = 63 × 6/45 × 6 = 378/270 - Likewise, for the 2nd fraction, since 54 × 5 = 270,
40/54 = 40 × 5/54 × 5 = 200/270 - Add the two like fractions:
378/270 + 200/270 = 378 + 200/270 = 578/270 - 578/270 simplified gives 289/135
- So, 63/45 + 40/54 = 289/135
In mixed form: 219/135
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/45+80/54 63/90+40/54