Add 90/54 and 4/15
1st number: 1 36/54, 2nd number: 4/15
90/54 + 4/15 is 29/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 15 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 54 × 5 = 270,
90/54 = 90 × 5/54 × 5 = 450/270 - Likewise, for the 2nd fraction, since 15 × 18 = 270,
4/15 = 4 × 18/15 × 18 = 72/270 - Add the two like fractions:
450/270 + 72/270 = 450 + 72/270 = 522/270 - 522/270 simplified gives 29/15
- So, 90/54 + 4/15 = 29/15
In mixed form: 114/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/54+8/15 90/54+4/30 90/54+12/15 90/54+4/45 90/54+20/15 90/54+4/75 90/54+28/15