Add 15/4 and 90/6
1st number: 3 3/4, 2nd number: 15 0/6
15/4 + 90/6 is 75/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 6 is 12
Next, find the equivalent fraction of both fractional numbers with denominator 12 - For the 1st fraction, since 4 × 3 = 12,
15/4 = 15 × 3/4 × 3 = 45/12 - Likewise, for the 2nd fraction, since 6 × 2 = 12,
90/6 = 90 × 2/6 × 2 = 180/12 - Add the two like fractions:
45/12 + 180/12 = 45 + 180/12 = 225/12 - 225/12 simplified gives 75/4
- So, 15/4 + 90/6 = 75/4
In mixed form: 183/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/4+90/6 15/8+90/6 15/4+90/12 45/4+90/6 15/12+90/6 15/4+90/18 75/4+90/6 15/20+90/6 15/4+90/30 15/28+90/6 15/4+90/42