Add 90/45 and 4/15
1st number: 2 0/45, 2nd number: 4/15
90/45 + 4/15 is 34/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 15 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 45 × 1 = 45,
90/45 = 90 × 1/45 × 1 = 90/45 - Likewise, for the 2nd fraction, since 15 × 3 = 45,
4/15 = 4 × 3/15 × 3 = 12/45 - Add the two like fractions:
90/45 + 12/45 = 90 + 12/45 = 102/45 - 102/45 simplified gives 34/15
- So, 90/45 + 4/15 = 34/15
In mixed form: 24/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/45+8/15 90/45+4/30 90/45+12/15 90/45+4/45 90/45+20/15 90/45+4/75 90/45+28/15