Add 90/30 and 3/54
1st number: 3 0/30, 2nd number: 3/54
90/30 + 3/54 is 55/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 54 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 30 × 9 = 270,
90/30 = 90 × 9/30 × 9 = 810/270 - Likewise, for the 2nd fraction, since 54 × 5 = 270,
3/54 = 3 × 5/54 × 5 = 15/270 - Add the two like fractions:
810/270 + 15/270 = 810 + 15/270 = 825/270 - 825/270 simplified gives 55/18
- So, 90/30 + 3/54 = 55/18
In mixed form: 31/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/30+6/54 90/60+3/54 90/30+9/54 90/30+15/54 90/30+21/54