Add 30/54 and 48/45
1st number: 30/54, 2nd number: 1 3/45
30/54 + 48/45 is 73/45.
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,
48/45 = 48 × 6/45 × 6 = 288/270 - Add the two like fractions:
150/270 + 288/270 = 150 + 288/270 = 438/270 - 438/270 simplified gives 73/45
- So, 30/54 + 48/45 = 73/45
In mixed form: 128/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/54+48/45 30/54+96/45 30/54+48/90 90/54+48/45