Add 54/30 and 4/45
1st number: 1 24/30, 2nd number: 4/45
54/30 + 4/45 is 17/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 45 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 30 × 3 = 90,
54/30 = 54 × 3/30 × 3 = 162/90 - Likewise, for the 2nd fraction, since 45 × 2 = 90,
4/45 = 4 × 2/45 × 2 = 8/90 - Add the two like fractions:
162/90 + 8/90 = 162 + 8/90 = 170/90 - 170/90 simplified gives 17/9
- So, 54/30 + 4/45 = 17/9
In mixed form: 18/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/30+8/45 54/60+4/45 54/30+4/90 54/30+12/45 54/90+4/45 54/30+20/45 54/30+28/45