Add 6/72 and 90/54
1st number: 6/72, 2nd number: 1 36/54
6/72 + 90/54 is 7/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 54 is 216
Next, find the equivalent fraction of both fractional numbers with denominator 216 - For the 1st fraction, since 72 × 3 = 216,
6/72 = 6 × 3/72 × 3 = 18/216 - Likewise, for the 2nd fraction, since 54 × 4 = 216,
90/54 = 90 × 4/54 × 4 = 360/216 - Add the two like fractions:
18/216 + 360/216 = 18 + 360/216 = 378/216 - 378/216 simplified gives 7/4
- So, 6/72 + 90/54 = 7/4
In mixed form: 13/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/72+90/54 18/72+90/54 30/72+90/54 42/72+90/54