Add 54/45 and 4/30
1st number: 1 9/45, 2nd number: 4/30
54/45 + 4/30 is 4/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 30 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 45 × 2 = 90,
54/45 = 54 × 2/45 × 2 = 108/90 - Likewise, for the 2nd fraction, since 30 × 3 = 90,
4/30 = 4 × 3/30 × 3 = 12/90 - Add the two like fractions:
108/90 + 12/90 = 108 + 12/90 = 120/90 - 120/90 simplified gives 4/3
- So, 54/45 + 4/30 = 4/3
In mixed form: 11/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/45+8/30 54/90+4/30 54/45+4/60 54/45+12/30 54/45+4/90 54/45+20/30 54/45+28/30