Add 30/4 and 90/54
1st number: 7 2/4, 2nd number: 1 36/54
30/4 + 90/54 is 55/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 54 is 108
Next, find the equivalent fraction of both fractional numbers with denominator 108 - For the 1st fraction, since 4 × 27 = 108,
30/4 = 30 × 27/4 × 27 = 810/108 - Likewise, for the 2nd fraction, since 54 × 2 = 108,
90/54 = 90 × 2/54 × 2 = 180/108 - Add the two like fractions:
810/108 + 180/108 = 810 + 180/108 = 990/108 - 990/108 simplified gives 55/6
- So, 30/4 + 90/54 = 55/6
In mixed form: 91/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/4+90/54 30/8+90/54 90/4+90/54 30/12+90/54 30/20+90/54 30/28+90/54