Add 30/54 and 40/5
1st number: 30/54, 2nd number: 8 0/5
30/54 + 40/5 is 77/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 5 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 5 × 54 = 270,
40/5 = 40 × 54/5 × 54 = 2160/270 - Add the two like fractions:
150/270 + 2160/270 = 150 + 2160/270 = 2310/270 - 2310/270 simplified gives 77/9
- So, 30/54 + 40/5 = 77/9
In mixed form: 85/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/54+40/5 30/54+80/5 30/54+40/10 90/54+40/5 30/54+40/15 30/54+40/25 30/54+40/35