Add 30/54 and 64/45
1st number: 30/54, 2nd number: 1 19/45
30/54 + 64/45 is 89/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 45 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 54 × 5 = 270,
30/54 = 30 × 5/54 × 5 = 150/270 - Likewise, for the 2nd fraction, since 45 × 6 = 270,
64/45 = 64 × 6/45 × 6 = 384/270 - Add the two like fractions:
150/270 + 384/270 = 150 + 384/270 = 534/270 - 534/270 simplified gives 89/45
- So, 30/54 + 64/45 = 89/45
In mixed form: 144/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/54+64/45 30/54+64/90 90/54+64/45