Add 63/45 and 30/54
1st number: 1 18/45, 2nd number: 30/54
63/45 + 30/54 is 88/45.
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,
30/54 = 30 × 5/54 × 5 = 150/270 - Add the two like fractions:
378/270 + 150/270 = 378 + 150/270 = 528/270 - 528/270 simplified gives 88/45
- So, 63/45 + 30/54 = 88/45
In mixed form: 143/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/45+60/54 63/90+30/54 63/45+90/54