Add 90/15 and 3/54
1st number: 6 0/15, 2nd number: 3/54
90/15 + 3/54 is 109/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 54 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 15 × 18 = 270,
90/15 = 90 × 18/15 × 18 = 1620/270 - Likewise, for the 2nd fraction, since 54 × 5 = 270,
3/54 = 3 × 5/54 × 5 = 15/270 - Add the two like fractions:
1620/270 + 15/270 = 1620 + 15/270 = 1635/270 - 1635/270 simplified gives 109/18
- So, 90/15 + 3/54 = 109/18
In mixed form: 61/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/15+6/54 90/30+3/54 90/15+9/54 90/45+3/54 90/15+15/54 90/75+3/54 90/15+21/54